Disciplines / Research questions
数学
247 个研究主题 · 1651 个问题
“最小秩”问题是否存在有效算法?5 个问题
Completing the near-extreme min-rank classification of side-information digraphs: the value and min-rank two over nonbinary fields
未解决约 14 年Lossless clique compression and provable guarantees for minrank computation in index coding
未解决约 7 年Determining the minimum rank of the signed adjacency matrices of a graph over all signings
未解决约 9 年Unconditional complexity of Gröbner-basis solving of the generalized MinRank problem: the Fröberg-type maximal-rank conjecture in the over-determined regime and polynomiality of F5 in the degree of the ideal
未解决约 14 年Near-Optimal Inapproximability of Orthogonality Dimension and Minrank, and NP-Hardness of General Index Coding
未解决约 3 年
型李超代数的特征标问题6 个问题
Closed formula for Borel highest-weight conversion of finite-dimensional osp(2m|2n)-modules in the signed epsilon-delta sequence cases left open by Cheng–Kwon
未解决约 12 年The fork-representation character conjecture for : a positive supersymmetric Schur expansion for
未解决约 7 年Generalised Verma modules, closed character formulae, and cohomology for higher-rank orthosymplectic Lie superalgebras
未解决约 16 年Uniform closed character theory for finite-dimensional irreducible modules over the general ortho-symplectic Lie superalgebras (II-type, types B(m|n) and D(m|n))
未解决约 17 年Maximal atypical block equivalence for versus
未解决约 17 年Geometric underpinning of super duality for ortho-symplectic and related Lie superalgebras
未解决约 16 年
猜想8 个问题
The SWF–Pin(2)-surjectivity conjecture for odd-type involutions on spin rational homology spheres
未解决约 3 年Definite spin and -boundings of homology 3-spheres: Tange's invariants , , and the (11/8)-linked questions
未解决约 12 年Manolescu's -invariant of Dehn surgeries on knots: the odd-odd case and the ambiguity
未解决约 2 年The 11/8-conjecture (Matsumoto): for closed smooth spin 4-manifolds
未解决约 44 年Topological criteria for Floer -split homology spheres and the K-theoretic route to the 11/8 conjecture
未解决约 13 年Intersection-form constraints for spin 4-manifolds bounded by Seifert rational homology 3-spheres: extending the and inequalities to non-orientable bases and degenerate cobordisms
未解决约 4 年Topologically but not smoothly H-slice knots in punctured connected sums of K3 surfaces for n ≥ 4 (Problem 4.26 of Konno–Miyazawa–Taniguchi)
未解决约 4 年The 11/8-Conjecture for Closed Smooth Spin 4-Manifolds (Matsumoto's Conjecture)
未解决约 44 年
瞬时频率4 个问题
Statistical performance theory for the wavelet-domain monogenic AM/FM estimators of the Riesz–Laplace transform: bias and variance under noise and finite sampling
未解决约 16 年Mathematical foundations of idempotent-generated multidimensional analytic signals: existence of extended Hilbert operators, necessity of multiplier idempotency conditions, and boundary-value structure
未解决约 1 年Robust multicomponent AM-FM image demodulation: stability at energy-operator singularities, quantified accuracy beyond narrowband assumptions, and principled multiscale filterbank fusion
未解决约 31 年Robust multiscale AM-FM demodulation and image reconstruction for real digital images: out-of-passband and low instantaneous frequencies, nonideal sampling, and principled filterbank selection
未解决约 16 年
猜想与复解析方法5 个问题
The Collatz (3n+1) conjecture, equivalently the nonvanishing of the arrival coefficients in Masetti's iterative functional equation
未解决约 55 年Fixed-point classification and orbit asymptotics for the Collatz operator : the open problems of Neklyudov's functional-analytic approach
未解决约 5 年Holomorphic solution spaces of the functional equations satisfied by generating functions of generalized Collatz dynamics
未解决约 32 年Logical strength of the linear-operator necessary condition for the Collatz conjecture (Soileau's Fourier-average condition)
未解决约 3 年The Collatz problem (the problem for negative start values): exactly three linearly independent holomorphic solutions of the Berg–Opfer functional equations
未解决约 13 年
-服务器猜想3 个问题
The Randomized Competitive Ratio of Weighted -Server on Uniform Metrics: Closing the Gap between and
未解决约 32 年The Harmonic k-server conjecture: is the Harmonic algorithm -competitive on every metric space?
未解决约 35 年The infinite-server problem across metric spaces: which spaces are competitive, and what is the competitive ratio on depth-D trees and layered graphs
未解决约 9 年
?6 个问题
P versus NP and the finite descriptive-complexity separations: NP versus co-NP ( versus ) and P versus over finite structures
未解决约 55 年Fixed-Polynomial Circuit Lower Bounds for , Uniform , , and
未解决约 19 年Does the polynomial hierarchy collapse? (Is the polynomial-time hierarchy infinite?)
未解决约 50 年Provability of P vs. NP in algorithmically verifiable mathematics (AV-mathematics)
未解决约 23 年Open questions of the Verifier Trade-off Theorem: certificate-length versus verification-time trade-offs beyond deterministic worst-case verification
未解决约 1 年NP versus BQP: is NP contained in bounded-error quantum polynomial time?
未解决约 33 年
?及?6 个问题
Weakly tight MAD families in the regime and Sacks indestructibility
Splitting versus closed almost disjointness: does , or at least , imply ?
Existence of a completely separable MAD family in ZFC (the Erdős–Shelah problem)
The dual-reaping number versus the pair-splitting number, and star-uniformity of Borel ideals versus the cofinality of the null ideal (Question 4.8 of Hrušák–Meza-Alcántara–Minami, 2010)
Open boundary cases of the negative strong polarized partition relation: the sigma-reaping number under and the real-valued measurable endpoint
Is the dual reaping number at most the pair-splitting number ?
3维流形上tight切触结构的分类5 个问题
Existence of tight contact structures on closed hyperbolic 3-manifolds (the hyperbolic case of Eliashberg's tight-existence question)
未解决约 34 年Classification of tight contact structures on the four-fiber Brieskorn spheres and
未解决不足 1 年Tight contact structures on the Whitehead link surgery family : classification beyond the resolved parameter range and universal tightness
未解决约 2 年Complete classification of tight contact structures on the remaining surgeries on the figure-eight knot and Stein fillability of the Phi-counted structures
未解决约 7 年General slice-Bennequin characterization of tight contact 3-manifolds and the tight stratum with vanishing Ozsváth–Szabó contact invariant (Hedden–Raoux)
未解决约 5 年
4 维光滑庞加莱(Poincaré)猜想10 个问题
Pochette surgery on the 4-sphere: homology-4-sphere outputs and exotic smooth structures (Suzuki–Tange Questions 5.1–5.5)
未解决约 4 年Is the Gluck twist of S^4 about an arbitrary 2-knot diffeomorphic to S^4? (Kirby problem 4.23)
未解决约 64 年Standardness of the extended Cappell–Shaneson homotopy 4-spheres and inequivalent smooth structures on the associated nonorientable 4-manifolds (Torres, 2026, Questions D–F)
未解决约 50 年Standardness of Cappell-Shaneson homotopy 4-spheres: Gompf's conjecture on Cappell-Shaneson matrices
未解决约 50 年Must a 3-manifold that embeds smoothly in a homotopy 4-sphere embed smoothly in the standard 4-sphere? (Budney-Burton, Question 8.3)
未解决约 17 年Topologically but not smoothly integrally split 2-component links in (Golla–Marengon Questions 1.4 and 1.5)
未解决约 2 年Generalized Property R Conjecture: handleslide equivalence of R-links to the unlink and the status of the generalized-square-knot families
未解决约 31 年Completing the PL classification of the census of closed orientable 4-manifold triangulations with up to six pentachora: the residual candidate PL classes for , , and
未解决约 1 年Smooth unknottedness of turned 1-twist-spun tori and the Cochran–Davis torus in the 4-sphere
未解决约 33 年Completing the group-trisection dictionary for smooth 4-manifolds: the homeomorphism equivalence relation, group-theoretic reductions of the smooth 4-dimensional Poincaré conjecture, and trisection genus versus exotic smooth structures
未解决约 10 年
阿达马(Hadamard)矩阵存在性7 个问题
Existence of periodic compatible binary sequences and circulant-core Hadamard matrices: the six conjectures of Orozco López (2018)
未解决约 8 年Cryer's growth conjecture for Hadamard matrices: is the complete-pivoting growth factor ρ(H) equal to n?
未解决约 58 年The Hadamard conjecture: existence of Hadamard matrices of every order 4m
未解决约 133 年The circulant Hadamard conjecture and the possible orders of Hadamard matrices with one circulant core
未解决约 63 年Hadamard matrices of the unresolved orders below 1000: the smallest open cases of the Hadamard and skew Hadamard conjectures
未解决约 133 年The strong skew Hadamard conjecture: existence of skew Hadamard matrices of every order divisible by 4
未解决约 55 年The Hadamard conjecture: existence of a Hadamard matrix of every order divisible by 4
未解决约 133 年
阿蒂亚(Atiyah)猜想9 个问题
The Weighted Atiyah Conjecture for Hecke–von Neumann algebras of Coxeter groups beyond the infinite dihedral group
未解决约 14 年The -adic Atiyah question: integrality of -adic Betti numbers
未解决约 7 年The center-valued Atiyah conjecture for congruence subgroups of and their finite extensions
未解决约 10 年Integrality of the rate of relations of a torsion-free finitely presented group: the first -Betti number case of the Atiyah conjecture
未解决约 50 年Integrality of the von Neumann rank of ZΓ-modules for torsion-free amenable groups (Question 2.1 of Chung–Thom: the amenable case of Kaplansky's zero divisor conjecture and the strong Atiyah conjecture)
未解决约 69 年Closure of the Strong Atiyah Conjecture under finite group extensions
未解决约 22 年The strong Atiyah conjecture for groups with bounded torsion
未解决约 33 年The range of -Betti numbers of universal covers of finite CW-complexes
未解决约 16 年The Atiyah problem for finitely presented groups and the lamplighter group: exact sets of -Betti values
未解决约 16 年
阿诺德(Arnold)猜想9 个问题
The degenerate Arnold conjecture on : the cup-length bound for arbitrary Hamiltonian diffeomorphisms
未解决约 36 年Clifford symplectic pencils and the multi-time Arnold conjecture beyond flat targets
未解决约 18 年Gong's two-point Gromov-Witten cup-length conjecture for degenerate symplectic fixed points (Conjecture 1.7 of arXiv:2507.04191)
未解决约 1 年A Arnold-type criterion via spectral invariants (Question 3 of Buhovsky–Humilière–Seyfaddini)
未解决约 9 年Viterbo's conjecture on the spectral norm of Lagrangians in cotangent bundles and the Arnold-type principle for Hausdorff limits of the zero section
未解决约 18 年A pair-topology Arnold conjecture for -symplectic manifolds in dimensions at least four
未解决约 3 年The Arnold–Givental Lagrangian intersection estimate for the real part of a weighted projective space with not-all-odd weights
未解决约 20 年Hypercontact Floer theory for general compact hyperkähler targets and the hyperkähler Arnold conjecture
未解决约 18 年The strong Arnold conjecture: Morse-number lower bound for fixed points of Hamiltonian diffeomorphisms
未解决约 61 年
阿廷(Artin)群的Gröbner-Shirshov基9 个问题
Finite Gröbner–Shirshov bases for braid semigroups (positive Artin monoids)
未解决约 23 年A uniform structural pattern for Gröbner–Shirshov bases of Coxeter groups of arbitrary type
未解决约 25 年Gröbner–Shirshov bases for the affine non-crystallographic Coxeter groups
未解决约 7 年Direct Composition–Diamond Lemma proofs for the Gröbner–Shirshov bases of Malcev-problem group embeddings
未解决约 17 年Length-preserving geodesic rewriting for Artin groups with or subdiagrams: the rank-three types and
未解决约 2 年Length-preserving rewriting for the word problem in Artin groups: the A_3/B_3 obstruction and the general case
未解决约 1 年The Bokut–Fong–Ke–Shiao hypothesis on Gröbner–Shirshov bases for braid semigroups beyond type
未解决约 23 年The lattice conjecture for the left-division order on Krammer's asymmetric Artin monoid (Conjecture 11.12 of ‘An asymmetric generalisation of Artin monoids’)
未解决约 13 年Termination and ordering-dependence of Gröbner–Shirshov completion for Coxeter-group presentations
未解决约 6 年
埃农(Hénon)映射族中奇异吸引子的存在性问题9 个问题
Prevalence of uniform hyperbolicity at the first internal-tangency bifurcation of Hénon-like families
未解决约 15 年Explicit constants and certified Jacobian thresholds for the finite-time renormalizability criteria in the Hénon family
未解决约 1 年Newhouse's conjecture on the generic absence of SRB measures in the Hénon family
未解决约 21 年The nature of the classical Hénon attractor at , : strange attractor or stable periodic orbit?
未解决约 50 年Positive-measure coexistence of attractors in the classical Hénon family beyond the small-dissipation regime, with quantitative parameter-measure bounds
未解决约 7 年Palis' parameter-measure conjecture versus the Berger phenomenon: infinitely many coexisting attractors for families of surface diffeomorphisms, and the regularity boundary of typical coexistence
未解决约 33 年Homoclinic tangencies of every order in the Hénon family
未解决约 20 年Constructive trapping domains and Smale-horseshoe conditions for the multidimensional Hénon map with general nonlinearity
未解决约 3 年The remaining parameter gap in the Devaney–Nitecki conjecture: transversal homoclinic points of the area-preserving Hénon map for
未解决约 47 年
爱因斯坦(Einstein)场方程的数学研究6 个问题
Generic past (and hence full) -inextendibility of the Dafermos–Luk–Oh spacetimes (two-ended spherically symmetric Einstein–Maxwell–scalar-field perturbations of Reissner–Nordström)
未解决约 6 年Nonlinear stability of subextremal Kerr black holes for structureless initial data: removing the partial polyhomogeneity hypothesis
未解决不足 1 年Generic -inextendibility of the dynamical Kerr Cauchy horizon: Christodoulou's formulation of strong cosmic censorship for the Einstein vacuum equations without symmetry
未解决约 18 年Strong cosmic censorship at the level for nonlinearly perturbed Reissner–Nordström black holes without symmetry (Christodoulou's formulation)
未解决约 18 年Low-regularity strong cosmic censorship: generic inextendibility of the maximal globally hyperbolic development as a weak solution of the Einstein equations
未解决约 17 年-formulation of strong cosmic censorship in the spherically symmetric Einstein-Maxwell-real-scalar-field model: inextendibility of all nontrivial extensions for generic two-ended data
未解决约 14 年
巴斯-奎伦(Bass-Quillen)猜想9 个问题
Constructive Hermite rings conjecture and constructive Bass–Quillen conjecture for projective modules over polynomial rings (Lombardi–Quitté closing problem list)
未解决约 53 年Extending the Bass–Quillen property to non-Noetherian regular coherent bases
未解决约 50 年The Bass–Quillen conjecture for torsors under totally isotropic reductive group schemes in mixed characteristic
未解决约 53 年Quillen's conjecture : are all projective modules over the localization of a regular local ring at a regular parameter free?
未解决约 50 年Bass–Quillen for ramified mixed-characteristic test rings (Popescu's Question 6)
未解决约 53 年Homotopy invariance of Euler class groups over finite fields and the top Chow-group comparison in characteristic 2 (Das's Questions 7.10 and 1.4)
未解决约 7 年Bass–Quillen conjecture for regular local rings of ramified mixed characteristic
未解决约 53 年Generalized Bass–Quillen conjecture: extension of Zariski-locally trivial torsors under strictly isotropic reductive groups over regular rings
未解决约 53 年The rank- case of the non-archimedean analytic Bass–Quillen question of Kerz–Saito–Tamme (Question 3)
未解决约 10 年
巴斯(Bass)猜想和索尔(Soule)猜想9 个问题
The Beilinson–Soulé vanishing conjecture and Soulé's conjecture on the order of vanishing of zeta functions of arithmetic schemes, via cyclic higher Chow groups
未解决约 43 年The Burghelea conjecture: vanishing of for groups whose classifying space is a finite CW-complex
未解决约 40 年The Weil-étale cohomological formula for and for regular arithmetic schemes (Morin's Conjecture 4.2 and its conjectural inputs)
未解决约 15 年Soulé's conjectured logarithmic bound for torsion in the K-theory of rings of integers
未解决约 23 年Uniform torsion bounds for homology of arithmetic and S-arithmetic lattices and Soulé's conjecture on torsion in the K-theory of rings of integers
未解决约 23 年The -Brown formula for groups of type FP over (Chatterji–Mislin Conjecture 1) and the scope of the class
未解决约 44 年The Bass–Quillen conjecture: are all finitely generated projective modules over a polynomial ring with regular base extended from the base (the mixed-characteristic case)?
未解决约 53 年Bass's finiteness conjecture for of regular rings finitely generated over
未解决约 53 年The Bost conjecture: is the -assembly map an isomorphism for every countable discrete group?
未解决约 35 年
并闭集猜想6 个问题
The UC_x ladder for Frankl's union-closed conjecture: Bouchard's subfamily-existence Question 2.2 and implication Question 2.5
未解决约 2 年Single-letterization, computability, and reach of the entropy-coupling bound for the union-closed sets conjecture
未解决约 3 年Optimal two-element frequency constants for finite union-closed families (Question 1 of Hu–Shi–Zhou)
未解决约 47 年Sawin's coupling question for the entropy approach to Frankl's union-closed sets conjecture
未解决约 3 年Lexicographic initial segments as extremal non-FC families: Pulaj–Wood's Conjecture 1 on the threshold
未解决约 3 年Frankl's union-closed sets conjecture for families of intermediate height number
未解决约 47 年
波雷尔(Borel)猜想:非球面性闭流形之间的同伦等价必同伦于一个同胚6 个问题
Simple connectivity at infinity and the smooth type of the universal Davis covers of the exotic aspherical 4-manifolds
未解决约 1 年Goodness of hyperbolic and CAT(0)-groups and the Borel conjecture in dimension four
未解决约 44 年Goodness of amenable groups and the Disc Embedding Conjecture for 4-manifolds beyond elementary amenable fundamental groups
未解决约 1 年The Borel conjecture for higher graph manifolds in dimensions below six and for non-trivial bundle pieces
未解决约 11 年Cancellable elements and unique decomposition for connected sums of closed manifolds in dimensions at least 4
未解决约 7 年The transfinite decomposition rank of the direct sum of iterated wreath products of the integers
未解决约 16 年
波利亚(Pólya)猜测9 个问题
Pólya's conjecture for Dirichlet eigenvalues and its Ku–Ku–Tang generalization to the poly-Laplacian: pointwise Weyl-constant lower bounds on arbitrary bounded domains
未解决约 72 年Existence of a small-area threshold for Pólya's conjecture on the infinite cylinder S^1 × R (Freitas–Wang Conjecture 1.1)
未解决约 1 年Pólya's conjecture for the Dirichlet Laplacian on multiply connected planar domains beyond concentric annuli
未解决约 65 年Pólya's conjecture for Dirichlet eigenvalues of the Laplacian on bounded Euclidean domains, and its poly-Laplacian generalization
未解决约 65 年The Pólya conjecture for Dirichlet eigenvalues of the Laplacian on arbitrary bounded Euclidean domains
未解决约 65 年Pólya–Szegö polygonal Faber–Krahn conjecture: does the regular N-gon minimize the first Dirichlet eigenvalue among N-gons of given area?
未解决约 74 年Pólya's conjecture in Liouville quantum gravity: an almost-sure uniform bound on the eigenvalue counting function of Liouville Brownian motion
未解决约 3 年Pólya's conjecture for spherical n-lunes: the exact threshold p*(n) and the spectra of rational lunes
未解决不足 1 年Pólya's conjecture for products with an interval factor and arbitrary bounded cross-section
未解决约 72 年
玻尔兹曼(Boltzmann)方程的流体动力学极限7 个问题
Global-in-time validity of the diffusive expansion of the Boltzmann equation for flow past an obstacle with non-zero passing flow and large data
未解决约 1 年Compressible Euler limit from the Boltzmann equation in a half-space with partial-accommodation Maxwell boundary condition
未解决约 5 年Steady hydrodynamic limit of the Boltzmann equation with Maxwell reflection: rigorous derivation of the compressible Navier-Stokes-Fourier system with Coron-Aoki slip boundary conditions in a channel
未解决约 37 年Simultaneous hydrodynamic limit and long-time stability for the Boltzmann equation with non-isothermal Maxwell boundary conditions
未解决不足 1 年Rigorous hydrodynamic limit of the homo-energetic Boltzmann equation of objective molecular dynamics: from the scaled kinetic equation to the reduced Euler and Navier-Stokes ODEs with validated viscosity
未解决约 3 年Higher-order Hilbert expansion and the Maxwell-molecule limit for Boltzmann uniform shear flow with hard potentials
未解决约 3 年Non-truncated Knudsen boundary layer with geometric correction and non-zero tangential velocity in the Hilbert expansion of the Boltzmann equation on a two-dimensional disk with specular reflection
未解决约 1 年
玻尔兹曼(Boltzmann)方程的Boltzmann-Grad极限10 个问题
Long-time Boltzmann–Grad limit for short-range potential gases and quantitative sharpening of the Deng–Hani–Ma theorem
未解决约 2 年Rigorous global-in-time derivation of the Boltzmann equation from the finite- BBGKY hierarchy in polynomially weighted spaces
未解决约 2 年Validity of the Boltzmann equation beyond short-range, repulsive, whole-space dynamics: the Pulvirenti–Saffirio–Simonella open problems (long-range interactions, constructive rates for attractive potentials, and bounded domains)
未解决约 12 年Classification of limiting dynamics in the Boltzmann-Grad limit of hard-sphere gases from the microscopic correlation structure of the initial data
未解决约 9 年Long-time convergence to the fluctuating Boltzmann equation for a two-dimensional hard-disk gas at equilibrium, and extension to time windows growing with the mean free path
未解决约 4 年Fluctuation theory and dynamical large deviations in the Boltzmann–Grad limit beyond short times, regular paths, and hard-sphere interactions
未解决约 6 年Optimal convergence rate and time of validity for Lanford's theorem in the half-space with specular reflection
未解决约 5 年Boltzmann-Grad derivation for a hard-sphere gas in a bounded domain with thermal boundary conditions: general domains, Maxwell re-emission, and stationary states with prescribed wall temperature
未解决约 5 年Global validity of the Boltzmann equation under the initial smoothness ordering in the Boltzmann–Grad limit of the Master kinetic equation
未解决约 9 年Open extensions of Hilbert's sixth-problem program: long-time Newton-to-Boltzmann-to-fluid derivation in dimensions , longer time windows, and interactions beyond hard spheres
未解决约 1 年
博克纳-里斯(Bochner-Riesz)乘子问题8 个问题
Tao's maximal Bochner–Riesz conjecture for : almost everywhere convergence of Bochner–Riesz means at the critical order
未解决约 28 年The endpoint for negative-order Bochner–Riesz multipliers on the subspace of functions whose Fourier transform vanishes on the sphere
未解决约 11 年Sharp boundary of sparse domination for planar Bochner–Riesz multipliers: the critical endpoint and top side of the sparse trapezoid
未解决约 9 年The reverse Littlewood–Paley inequality for the sphere in dimensions
未解决约 11 年The Bochner–Riesz multiplier conjecture in for
未解决约 90 年Bilinear Bochner–Riesz means: the bilinear disc multiplier in one dimension and the smoothness threshold in higher dimensions
未解决约 20 年Sharp Bochner–Riesz summability thresholds beyond single-singularity models: polygonal domains and multi-cone surfaces, and scaling-critical magnetic Schrödinger operators in dimensions
未解决约 2 年The Bochner–Riesz conjecture in dimensions : sharp -boundedness of the Bochner–Riesz means and the equivalent uniform local decay estimate
未解决约 90 年
不可压缩纳维耶-斯托克斯(Navier-Stokes)方程6 个问题
Global regularity versus finite-time blowup for the three-dimensional axisymmetric incompressible Navier–Stokes equations with swirl
未解决约 58 年Global regularity versus finite-time blowup for the three-dimensional incompressible Navier-Stokes equations with arbitrary large data in the critical space
未解决约 92 年Inviscid limit of the three-dimensional inhomogeneous incompressible Navier–Stokes equations without the Kolmogorov spectral hypothesis
未解决约 14 年Global regularity of Leray–Hopf weak solutions of the three-dimensional incompressible Navier–Stokes equations (Clay Millennium existence and smoothness problem)
未解决约 92 年Global-in-time validity of the diffusive expansion of the Boltzmann equation for flow past an obstacle with non-zero passing flow and large initial data
未解决约 1 年Global regularity of the 3D Navier–Stokes equations on with ill-prepared, slowly varying initial data analytic in the vertical variable
未解决约 11 年
布朗(Brown)问题8 个问题
Does connected-graded-as-an-algebra imply connected-as-a-coalgebra for Hopf algebras, and the associated Nakayama, Ore, and Weyl-skew-field questions of Brown–Gilmartin–Zhang
未解决约 10 年The Brown–Goodearl question: is every noetherian Hopf algebra Artin–Schelter Gorenstein?
未解决约 28 年Skryabin's conjecture: is the antipode of every noetherian Hopf algebra bijective?
未解决约 19 年Does connected graded as an algebra imply connected as a coalgebra for Hopf algebras of finite Gel'fand–Kirillov dimension (Brown–Gilmartin–Zhang Question 0.4)?
未解决约 10 年The Brown–Goodearl questions for general noetherian weak Hopf algebras: finite injective dimension, homogeneous decomposition, and bijectivity of the antipode (Rogalski–Won–Zhang Questions 8.1–8.3)
未解决约 29 年AS-Gorenstein descent to quantum homogeneous spaces of Hopf algebras (Liu–Wu Question 4.7) and companion descent questions
未解决约 14 年The Brown–Goodearl question: is every noetherian affine Hopf algebra Artin–Schelter Gorenstein?
未解决约 28 年Is every noetherian Hopf algebra Artin–Schelter Gorenstein? (the Brown–Goodearl Gorenstein question)
未解决约 28 年
布伦南(Brennan)猜测9 个问题
Brennan's conjecture: -integrability of the derivative of a conformal map for , equivalently boundedness of the induced composition operators on homogeneous Sobolev spaces
未解决约 47 年Brennan's integrability conjecture for the basin of infinity of general monic polynomials
未解决约 47 年Brennan's conjecture: integrability of the derivative of a conformal map and the universal integral means spectrum at exponent
未解决约 47 年Brennan's conjecture on the -integrability of the derivative of a conformal map and the simple-fraction expansion route
未解决约 47 年Exact values and extremal functions of the universal integral means spectrum for complex exponents (the Kraetzer, Binder, and Brennan conjectures)
未解决约 47 年Brennan's conjecture: integrability of the derivative of conformal maps ()
未解决约 48 年The generalized Brennan conjecture: sharp global integrability of derivatives of quasiconformal mappings onto the disk
未解决约 47 年The semigroup-fication route to Brennan's conjecture: approximating conformal maps by holomorphic semigroups with derivative-integrability control
未解决约 1 年Circular Brennan conjecture: the universal integral means spectrum on the circle
未解决约 39 年
布洛克(Bloch)常数7 个问题
Exact values of the Bloch constants and for holomorphic mappings on the unit ball of
未解决约 18 年Bloch constant and sharp one-variable-type constants for holomorphic mappings on unit balls of infinite-dimensional Banach spaces beyond the radial form
未解决约 2 年Optimal Bloch constants for Bochner -mappings and -quasiregular mappings in the unit ball of
未解决约 75 年Exact value of the univalent Bloch–Landau constant
未解决约 96 年Sharpness of the Bloch-type ratio bound for quasiregular pluriharmonic mappings on homogeneous unit balls
未解决约 4 年Exact value of the Bloch constants for planar harmonic mappings
未解决约 26 年Exact values of the classical Bloch constant and the Landau constant
未解决约 97 年
布如意(Broué)交换亏群猜想10 个问题
Broué's abelian defect group conjecture over a complete discrete valuation ring for spin blocks of double covers of symmetric groups
未解决约 36 年Splendid Rickard equivalences for 2-blocks with abelian defect groups of order at most 32: the splendid form of Broué's Abelian Defect Group Conjecture in this range
未解决约 5 年The Kessar–Linckelmann refinement of Broué's abelian defect group conjecture: splendid Rickard equivalences over arbitrary complete discrete valuation rings
未解决约 9 年The strengthened Broué abelian defect group conjecture: splendid Rickard equivalence over arbitrary complete discrete valuation rings
未解决约 9 年The Kessar–Linckelmann refinement of Broué's abelian defect group conjecture over arbitrary p-modular systems
未解决约 9 年The case of the multiplicity-free solvability criterion for of blocks with abelian defect groups (Linckelmann–Wang, 2025)
未解决约 1 年Choosing the Broué abelian-defect equivalence to satisfy pointwise character-degree inequalities
未解决约 1 年Broué's Abelian Defect Group Conjecture in Full Generality
未解决约 36 年Broué's abelian defect group conjecture for arbitrary finite groups and its missing reduction to quasi-simple groups
未解决约 36 年Broué's abelian defect group conjecture and the lifting of isotypies to p-permutation equivalences
未解决约 36 年
差分代数簇的不可约分解9 个问题
Finite decomposition of P[σ]-perfect ideals into P[σ]-prime ideals
未解决约 10 年Complexity bounds for the Ritt–Wu characteristic-set zero-decomposition of ordinary difference polynomial systems
未解决约 17 年Merging difference resolvent chains into a single one-variable ascending chain
未解决约 20 年Completing the structure theory of toric difference varieties: σ-torus classification, the orbit–face correspondence beyond face-saturated semimodules, and the Chow–resultant identity beyond transformally essential supports
未解决约 10 年Difference Chow varieties: existence of a parameter-space theory and the missing structural theory of the difference Chow form
未解决约 13 年Binomiality of the radical well-mixed closure of a binomial difference ideal
未解决约 9 年Deciding strong irreducibility of differential–difference chains and constructing reflexive prime decompositions of perfect differential–difference ideals
未解决约 17 年Deciding strong irreducibility of difference ascending chains and computing reflexive prime decompositions of perfect difference ideals
未解决约 17 年Deciding strong irreducibility of difference ascending chains and primeness of difference saturation ideals
未解决约 18 年
常微分方程与随机分析中的相关问题6 个问题
Well-posedness by noise for SDEs and stochastic transport equations with random Hölder drift (Flandoli–Gubinelli–Priola's random-drift problem)
未解决约 18 年Classification of transcendental meromorphic solutions of in the critical case
未解决约 15 年Strong solutions and regularity for multidimensional SDEs with random and unbounded drifts
未解决约 7 年Krylov's conjecture: existence of strong solutions of Itô equations with a small parabolic-Morrey drift and an -in-time bounded drift component
未解决不足 1 年Pathwise uniqueness for Itô SDEs with drift in the endpoint Krylov–Röckner class
未解决约 21 年Sharp uniqueness threshold and minimal solution regularity for ordinary differential equations with singular coefficients
未解决约 17 年
超紧基数典型内模型问题7 个问题
Is the Chang transfer consistent?
Sargsyan's closing questions on HOD-supercompactness: Global Universality for embeddings of HOD and HOD covering above a supercompact cardinal
Is the Ultrapower Axiom consistent with an extendible cardinal? (Goldberg's Conjecture 2.1.8)
The inner model problem for a supercompact cardinal — the motivating open problem of the two-cardinal ineffability principles ITP/ISP
Woodin's Ω-Conjecture: completeness of Ω-logic under a proper class of Woodin cardinals
Is the Ultrapower Axiom consistent with a supercompact cardinal?
Woodin's Ultimate- Conjecture: existence of a weakly -definable weak extender model for supercompactness satisfying
大数分解是否有多项式算法?9 个问题
Rigorous complexity analysis of QAOA-assisted Schnorr lattice factoring with sublinear quantum resources
未解决约 3 年Efficient random search for residue prime sets with small modular deviation (Assumption 1 of the sub-million-qubit quantum factoring estimate)
未解决约 1 年Smooth-relation yield and the required lattice dimension in Schnorr-style (CVP-based) integer factoring
未解决约 35 年Removing the Riemann hypothesis from the equivalence of integer factoring and elliptic-curve point counting modulo N
未解决约 28 年Viable fac-relation generation for Schnorr's lattice-based factoring: approximate CVP beyond Babai versus the smoothness barrier
未解决约 3 年Unconditional deterministic polynomial-time factorization of integers given Euler's totient function (Problem 1.1 of Hittmeir-Pomykała, 2020)
未解决约 49 年The Strong (α,β)-Divisor Conjecture of Umans and Wang: structured sets S, T whose difference set contains a multiple of every integer in [n], with α, β < 1/2
未解决不足 1 年Resource scaling and viability of Schnorr-type lattice factoring with variational quantum local search
未解决约 3 年Optimal iteration maps and a rigorous random-map analysis for the parallel Pollard rho method
未解决约 1 年
带通量的弦真空和紧化与广义复几何5 个问题
Flux-complete extension of the Lau–Tseng–Yau non-Kähler SYZ mirror correspondence: H-flux, non-invariant forms, and the passage beyond the semi-flat regime
未解决约 12 年Calibration interpretation of the pairing equations in two-dimensional type II vacua: extending the supersymmetry-calibrations correspondence
未解决约 12 年Completeness of the classification of Minkowski flux vacua of type II supergravities with parallel sources
未解决约 10 年Fate of the O(α')-exact heterotic flux vacua at second order in α'
未解决约 12 年Moduli of generic flux backgrounds in exceptional generalised geometry: localised sources, stability, and smoothness of the physical moduli space
未解决约 6 年
带指数函数的实数理论的可判定性问题7 个问题
The Transfer Conjecture for EXP-fields: is every o-minimal exponential field satisfying exp' = exp elementarily equivalent to the real exponential field?
Decidability of the Zero Problem for Exponential Polynomials (the Continuous Skolem Problem)
Transfer Conjecture for o-minimal exponential fields: unconditional elementary equivalence with and embedding of the prime model
Unconditional completeness, polynomial boundedness, and residue-field models of the definably complete exponential theories and
Unconditional decidability of equality of exponential polynomials in (over ) and in and (over )
Natural exponentially transcendental numbers and the decidability of the real field expanded by a natural irrational power function
Unconditional decidability of the real exponential field and the Igusa–Knight–Schweber General Theorem over the dyadic-interval structure
单向函数的存在性9 个问题
Errorless versus two-sided-error average-case hardness of MKtP: the Liu–Pass gap between EXP ≠ BPP and one-way functions
未解决约 5 年Exact cryptographic strength of polynomial-time samplable dimension-gap distributions: are they equivalent to one-way functions?
未解决约 1 年Injective one-way functions on the reals: existence of a partial computable one-way injection under Levin's definition
未解决约 2 年Worst-case to average-case reductions for time-bounded Kolmogorov complexity against heuristics that may err
未解决约 8 年Existence of an injective partial computable one-way function on the reals (Levin's range-side formulation)
未解决约 1 年Computational hardness needed for quantum cryptography: the unresolved complexity status of EFI pairs
未解决约 3 年Constructing a length-preserving 1-1 one-way function from the intractability of factoring, and simpler weak-to-strong amplification: the open problems of Goldreich, Levin, and Nisan
未解决约 31 年Do Worst-Case Complexity Separations Imply One-Way Functions? (Impagliazzo's Heuristica-Pessiland Question)
未解决约 31 年Bijective polynomial-time enumeration of languages in P and the D-classes of regular elements of the semigroup fP
未解决约 13 年