Georges Elencwajg's user avatar
Georges Elencwajg's user avatar
Georges Elencwajg's user avatar
Georges Elencwajg
  • Member for 14 years, 5 months
  • Last seen this week
168 votes

Most memorable titles

159 votes

What are some examples of colorful language in serious mathematics papers?

124 votes

How to memorise (understand) Nakayama's lemma and its corollaries?

112 votes

equivalence of Grothendieck-style versus Cech-style sheaf cohomology

110 votes

Did Bourbaki write a text on algebraic geometry?

102 votes

Not especially famous, long-open problems which anyone can understand

88 votes

Widely accepted mathematical results that were later shown to be wrong?

80 votes

Examples of conjectures that were widely believed to be true but later proved false

74 votes

Etale cohomology -- Why study it?

69 votes
Accepted

Is there a compact group of countably infinite cardinality?

69 votes
Accepted

Cardinalities larger than the continuum in areas besides set theory

67 votes

What elementary problems can you solve with schemes?

64 votes
Accepted

Kahler differentials and Ordinary Differentials

64 votes

Too old for advanced mathematics?

62 votes

How has "what every mathematician should know" changed?

59 votes

Intuition for Group Cohomology

55 votes

flatness in complex analytic geometry

52 votes

Fundamental problems whose solution seems completely out of reach

50 votes

Pseudonyms of famous mathematicians

49 votes

What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$

46 votes

Errata for Atiyah–Macdonald

45 votes

Theorems that are 'obvious' but hard to prove

45 votes
Accepted

What does the σ in σ-algebra stand for?

43 votes

Simplest examples of nonisomorphic complex algebraic varieties with isomorphic analytifications

43 votes

What should be learned in a first serious schemes course?

43 votes
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Rank of a module

42 votes
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Isomorphism between varieties of char 0

38 votes

lefschetz hyperplane section theorem

38 votes
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Justifying a theory by a seemingly unrelated example

37 votes
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Reason for studying coherent sheaves on complex manifolds.

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