Best constants in some operator smoothness estimates
Best constants in some operator smoothness estimates
复制标题
一些算子平滑度估计中的最佳常数
DOI:
10.1016/0022-1236(92)90100-w
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发表时间:
1992
影响因子:
1.7
通讯作者:
B. Simon
中科院分区:
文献类型:
--
作者:
B. Simon
We provide a short proof of the inequality (cf. Ben-Artzi and Klainerman [Regularity and decay of evolution equations, preprint] and Kato and Yajima [Rev. Math. Phys. 1 (1989), 481–496])∝−∞∞∥(1+ x 2)− 1 2 (1− Δ) 1 4 e itΔ u∥ 2 dt⩽ C∥ u∥ 2 with explicit (essentially exact) values for C.