奖牌
发表于 2025-3-30 09:39:29
Invariant MetricsExistence of an invariant metric on a topological group with a sequential topology was proved by . and . independently. In the sequel we consider generally invariant metrics on a uniform space with a transformation group.
嘴唇可修剪
发表于 2025-3-30 12:46:50
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POLYP
发表于 2025-3-30 19:30:01
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不安
发表于 2025-3-30 21:23:07
Équations hyperboliques non-strictes: contre-exemples, du type De Giorgi, aux théorèmes d’existence 1. Considérons dans .. un problème de Cauchy, hyperbolique non strict, d’inconnue .(.).
Odyssey
发表于 2025-3-31 02:01:03
Nonlinear Operators in Banach SpacesFrom the point of view of its applications to nonlinear boundary value problems for partial differential equations (as well as to other problems in nonlinear analysis) the principal result of the Leray-Schauder theory of nonlinear functional equations is embodied in the following theorem:
PANEL
发表于 2025-3-31 08:55:34
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空气传播
发表于 2025-3-31 09:48:08
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Popcorn
发表于 2025-3-31 13:47:02
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lactic
发表于 2025-3-31 21:36:30
Eindeutige Hahn-Banach-Erweiterungen Raumes . eine eindeutig bestimmte normerhaltende Erweiterung auf ganz . hat, wenn .(..) = ||.|| für einen quasi-inneren Punkt .. einer Seite . der Einheitskugel . gilt. (Die hier benutzten Definitionen findet man in .)
OREX
发表于 2025-4-1 01:26:18
Ratios of Laplace Transforms, Mikusiński Operational Calculustandard Heaviside calculations — without the un-necessary assumptions required by Laplace transform techniques. On the other hand, many operational formulas are easier to find by means of the Laplace transformation; especially useful are the inversion formulas and the method of residues.