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JGordon

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Name	JGordon
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Website	math.ubc.ca/~gor
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283

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Examples of common false beliefs in mathematics. [closed]

big-list mathematics-education tag-removed

apr 16 at 19:41 Benjamin Steinberg 10.8k●1●14●49

100

113

votes

31

answers

13k

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What should be learned in a first serious schemes course?

big-list ag.algebraic-geometry

jul 28 11 at 13:49 Jason Starr 1,890●8●14

31

55

votes

26

answers

4k

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What would you want on a Lie theory cheat poster?

lie-groups lie-algebras big-list

jan 30 12 at 5:01 unknown (google) 5,718●6●30

31

52

votes

2

answers

3k

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Riemann hypothesis via absolute geometry

ag.algebraic-geometry nt.number-theory f-1

jul 5 11 at 16:26 gowers 17.9k●9●79●132

14

45

votes

6

answers

3k

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Simplest examples of nonisomorphic complex algebraic varieties with isomorphic analytifications

ag.algebraic-geometry complex-geometry examples

dec 3 at 20:08 Mohan 892●3●4

35

44

votes

14

answers

8k

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Why is differentiating mechanics and integration art?

calculus integration ca.analysis-and-odes ca.analysis-and-odes real-analysis

may 30 at 20:34 Carlos Barrera 1

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43

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10

answers

5k

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Is Fourier analysis a special case of representation theory or an analogue?

rt.representation-theory fourier-analysis

dec 6 at 0:36 Steve Huntsman 8,219●1●22●57

26

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votes

11

answers

3k

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How to introduce notions of flat, projective and free modules?

ac.commutative-algebra teaching intuition modules

nov 20 10 at 19:24 roy smith 5,026●36●29

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37

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17

answers

6k

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Errata for Atiyah-Macdonald

ac.commutative-algebra reference-request

mar 8 at 2:58 Junyan Xu 178●1●4●8

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votes

6

answers

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What are the local Langlands conjectures nowadays, for connected reductive groups over a $p$-adic field?

langlands-conjectures nt.number-theory galois-representations automorphic-forms

may 11 10 at 17:57 Jeffrey Adams 531●4●7

17

30

votes

11

answers

4k

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Contest problems with connections to deeper mathematics.

soft-question problem-solving big-list

may 10 at 9:29 Igor Kortchemski 41●1

14

29

votes

10

answers

2k

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Which ‘well-known’ algebraic geometric results do not hold in characteristic 2?

ag.algebraic-geometry projective-geometry divisors algebraic-curves characteristic-p

jul 8 11 at 17:09 Torsten Ekedahl 18k●1●42●68

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24

votes

2

answers

2k

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Why are parabolic subgroups called “parabolic subgroups”?

ho.history-overview rt.representation-theory gr.group-theory terminology

may 17 10 at 11:44 Benoît Kloeckner 5,741●18●30

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votes

11

answers

5k

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Lecture notes on representations of finite groups

soft-question rt.representation-theory finite-groups teaching textbook-recommendation

jul 1 11 at 14:03 Benjamin Steinberg 10.8k●1●14●49

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22

votes

3

answers

2k

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Motivating the Casimir element

lie-algebras rt.representation-theory

jan 28 at 4:56 Will Sawin 19.4k●1●24●48