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Questions
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Why is the identity element of a group denoted by $e$?

feb 7 12 at 14:15 a-fortiori 2,786●5●11

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Using slides in math classroom

nov 10 11 at 4:18 JP McCarthy 1●3

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P-adic Arithmetic Software

jun 30 11 at 12:43 Maurizio Monge 651●4●11

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Quantitative Weierstraß approximation

feb 25 11 at 15:44 Andrey Rekalo 13.9k●1●32●68

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Riemannian metrics on non-paracompact manifolds

feb 8 11 at 14:24 Qfwfq 8,482●33●85

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orientations for zero-dimensional manifolds

nov 29 10 at 7:33 André Henriques 14.9k●2●30●83

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connectivity of the group of orientation-preserving homeomorphisms of the sphere

oct 3 10 at 14:09 BS 5,313●1●12●25

 
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nilpotent matrices over polynomial rings

aug 21 10 at 15:52 Keivan Karai 2,524●8●23

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Zagier’s one-sentence proof of Fermat’s theorem.

jul 16 10 at 14:28 Christian Elsholtz 529●2●4

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A proof of the Bernstein inequality

jul 3 10 at 18:53 Michael Greenblatt 441●3●7

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