euphoria
发表于 2025-3-27 00:09:58
Degree for Gradient Equivariant Maps and Equivariant Conley Index,ifferent from 0 on the boundary of Ω, then there is defined an integer Deg(., Ω) — the Brouwer (or topological) degree of . with respect to Ω. Obviously, if in the place of all continuos maps and all open bounded subsets of ℝ. we take a smaller class of maps and/or a smaller class of subsets then we
大吃大喝
发表于 2025-3-27 02:34:22
Variations and Irregularities,al and physical objects, possibly very “irregular” or “degenerate.”.We will first recall some classic notions. Selfadjoint extensions of differential operators, generalized derivatives, finite difference schemes. We will then describe a few important metric, variational and measure theoretic tools,
责难
发表于 2025-3-27 05:52:52
Singularity Theory and Bifurcation Phenomena in Differential Equations,ll perturbations, i.e., to find those functions . which have the property that any nearby smooth function . . is diffeomorphically equivalent to .. This reduces to a local problem, and then to the problem of studying the Taylor expansion of . and trying to determine which terms of the expansion guar
旧病复发
发表于 2025-3-27 12:40:55
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继承人
发表于 2025-3-27 15:01:05
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Gossamer
发表于 2025-3-27 19:50:28
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