Scientists / Open questions
拉尔斯·霍尔曼德尔
Lars Hörmander
偏微分方程、微局部分析
1962 年菲尔兹奖
28 个问题
Sharp bounds for Hörmander-type oscillatory integral operators in the restriction range : the constant-coefficient model case of arbitrary signature
Delineating the differential operators whose weak and strong extensions coincide
Completing the sharp theory of Fourier integral operators with complex phase beyond the global injectivity hypothesis of Hörmander (1983)
Quantitative refinements of Hörmander's abstract Nash–Moser implicit function theorem: explicit smallness threshold, strong convergence, and uniform constants