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Questions

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Does this formula have a rigorous meaning, or is it merely formal.

jan 8 12 at 21:17 Andrey Rekalo 14k13469

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When are the eigenspaces of the Laplacian on a compact homogeneous space irreducible representations?

feb 19 12 at 3:46 Sigurdur Helgason 34154

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When are two symplectic forms “isotopic”?

mar 5 11 at 20:37 Elizabeth S. Q. Goodman 1,064616

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If $f:R^n \to R$ is a smooth real-valued function such that $\nabla f : R^n \to R^n$ is a diffeomorphism, what can one conclude about the behavior of $f(x)$ at infinity?

dec 4 10 at 11:45 Theo Buehler 3,69611125

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Is a smooth action of a semi-simple Lie group linearizable near a staionary point?

dec 10 10 at 14:15 BS 5,34311325

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Euler Characteristic of a manifold with non-vanishing vector field,

sep 11 10 at 18:57 Dmitri 16.6k13678

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Is there a name for sets for which it is easier to test membership than to find members---and vice versa?

jan 7 11 at 15:23 Timothy Chow 15.2k170139

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Is this formulation of the Singular Value Decomposition standard?

jan 7 11 at 13:43 Denis Serre 18.8k13194

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A Canonical Form Theorem for $n$-forms?

may 30 at 10:26 Robert Bryant 22.4k37598

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