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# Questions

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### Is there a deep reason for the fecundity of involutions?

apr 12 at 12:46 Alexandre Eremenko 10.6k12439

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### The Riemann Hypothesis and the Langlands program

jan 22 at 10:17 Marc Palm 6,946720

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### Excellent mathematical explanations

dec 27 at 22:15 Mark Bennet 154138

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205
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### Is the von Neumann algebra associated to a unitary representation of an amenable group always injective?

dec 2 at 18:05 Jon Bannon 4,24911346

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### Clarifying the link between deformation/rigidity and dual cocycles

nov 30 at 19:53 Makoto Yamashita 63644

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195
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### Is there an upper bound on the dimension for irreducible representations of a continuous trace $C^{*}$-algebra?

oct 26 at 17:54 Leonel Robert 58035

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### Is there a Dedekind-Frobenius group determinant for infinite groups?

aug 27 at 17:22 Igor Rivin 31.1k33771

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265
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### When is a $\ast$-algebra a $C^{\ast}$-algebra?

aug 16 at 18:30 Jon Bannon 4,24911346

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311
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### Strong monotone limits and dense subalgebras of von Neumann algebras, again

aug 16 at 18:11 Jon Bannon 4,24911346

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