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Questions
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35
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Basic results with three or more hypotheses

may 16 at 21:53 Ricardo Andrade 2,402●1●9●18

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10
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Are there any very hard unknots?

may 13 at 11:09 Arnaud 188●5

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59
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Proofs that require fundamentally new ways of thinking

may 9 at 23:09 Dan Sălăjan 264●8

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169
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Examples of common false beliefs in mathematics. [closed]

apr 16 at 19:41 Benjamin Steinberg 10.7k●1●14●49

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3
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What can be proved about the Ramanujan conjecture using elementary means?

mar 30 at 10:14 Guthrie Featherstone QC MP 41●1

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Can infinity shorten proofs a lot?

mar 24 at 12:50 katz 1,264●1●12

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Difficult examples for Frankl’s union-closed conjecture

mar 3 at 0:17 Jérôme JEAN-CHARLES 608●7●15

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A combination of two well-known complexity problems

feb 8 at 17:06 Josh 342●1●6

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What was Gödel’s real achievement?

jan 29 at 18:42 Wolfgang Mueckenheim 21●1●6

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A geometric Ramsey problem

aug 28 at 1:33 David Wood 111●1●3

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