[過去ログ] ガロア第一論文と乗数イデアル他関連資料スレ2 (1002レス)
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(1): 2023/03/22(水)20:52 ID:wwAtSX6R(1/2) AAS
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ありがとう
初耳ですが、下記ですね(文字化け直さず)

英語版
外部リンク:en.wikipedia.org
Eugenio Elia Levi (18 October 1883 ? 28 October 1917) was an Italian mathematician, known for his fundamental contributions in group theory, in the theory of partial differential operators and in the theory of functions of several complex variables. He was a younger brother of Beppo Levi and was killed in action during First World War.

イタリア語(google訳 英→伊)
省7
675
(2): 2023/03/22(水)20:52 ID:wwAtSX6R(2/2) AAS
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つづき

Properties and examples of Stein manifolds
Being a Stein manifold is equivalent to being a (complex) strongly pseudoconvex manifold. The latter means that it has a strongly pseudoconvex (or plurisubharmonic) exhaustive function, i.e. a smooth real function
ψ on X (which can be assumed to be a Morse function) with
i\partial {\bar \partial }ψ >0 such that the subsets
{\{z\in X\mid ψ (z)\leq c\}} are compact in
省17
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