In mathematics, the Poincaré lemma gives a sufficient condition for a closed differential form to be exact (while an exact form is necessarily closed)...
25 KB (4,418 words) - 16:29, 12 November 2024
In mathematics, the Aubin–Lions lemma (or theorem) is the result in the theory of Sobolev spaces of Banach space-valued functions, which provides a compactness...
4 KB (509 words) - 01:55, 25 May 2023
Hartogs's extension theorem (redirect from Hartogs' lemma)
proved by Friedrich Hartogs, and as such it is known also as Hartogs's lemma and Hartogs's principle: in earlier Soviet literature, it is also called...
25 KB (2,655 words) - 22:42, 7 May 2024
then f {\displaystyle f} is irreducible over the integers (and by Gauss's lemma also over the rational numbers). The criterion was first published by Oskar...
4 KB (552 words) - 19:35, 8 August 2024
aire, with the full account of this work, appeared in the Annali di Matematica in 1902. The first chapter develops the theory of measure (see Borel measure)...
19 KB (2,232 words) - 13:15, 24 October 2024
"Proprietà di alcune classi di funzioni in più variabili". Ricerche di Matematica. 7: 102–137. Nirenberg, Louis (1959). "On elliptic partial differential...
21 KB (3,183 words) - 10:14, 31 October 2024
Dipartimento di Matematica, pp. 193–232, MR 1265762, Zbl 0795.01022. Viola, Tullio (1961), "Necrologio di Beppo Levi", Bollettino della Unione Matematica Italiana...
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Ricardo Mañé (category Instituto Nacional de Matemática Pura e Aplicada alumni)
Lectures Notes in Mathematics Vol. 898 (1981) 230–242. "An ergodic closing lemma", Annals of Mathematics Second Series, Vol. 116, No. 3 (Nov., 1982), pp...
3 KB (258 words) - 10:22, 5 October 2022
points in R with uncountable closure", Matemáticas: Enseñanza universitaria, 15, Escuela Regional de Matemáticas. Universidad del Valle, Colombia: 145–147...
6 KB (840 words) - 06:48, 16 November 2023
delle funzioni analitiche di due o più variabili complesse", Annali di Matematica Pura ed Applicata, s. III (in Italian), XVII (1): 61–87, doi:10.1007/BF02419336...
32 KB (4,316 words) - 14:51, 30 August 2024