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Questions
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functions satisfying “one-one iff onto”

mar 22 at 1:03 Peter Samuelson 1,203●7●14

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Easy and Hard problems in Mathematics [closed]

mar 15 12 at 8:26 Uday 1,151●5●14

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Grothendieck on Topological Vector Spaces

dec 19 at 10:46 Alexei Pirkovskii 61●1●1

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752
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Self-dual normed spaces which are not Hilbert spaces

mar 17 12 at 18:54 Valerio Capraro 3,585●11●25

 
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Sobolev embedding proof without Gagliardo–Nirenberg–Sobolev inequality or Morrey’s inequality

feb 18 12 at 16:25 Liviu Nicolaescu 11.3k●1●20●33

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Orthogonality in non-inner product spaces

mar 4 12 at 11:10 J.J. Green 686●5●9

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Pseudo-differential operators which are independent of lower order perturbations

may 14 at 21:22 MathOverflow♦ 1●2●3

 
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356
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What is the ‘non-intuitive’ part in sphere eversion (turning inside out)?

aug 29 at 13:12 Mark Grant 9,051●1●13●33

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Why take ‘complex powers’ of pseudo-differential operators?

aug 19 at 7:30 Rafe Mazzeo 1,179●2●3

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Game on undirected graphs

apr 24 12 at 18:58 Aaron Meyerowitz 11.5k●1●10●31

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