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Per Vognsen's user avatar
Per Vognsen's user avatar
Per Vognsen's user avatar
Per Vognsen
  • Member for 13 years, 6 months
  • Last seen more than a month ago
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2,021
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241k
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22
answers
6
questions
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20
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5
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18
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12
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1
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4
Posts %
8
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2
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7
Posts %
8
Score
6
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21
Posts %
8
Score
2
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7
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4
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7
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Top posts
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All Questions Answers
Score Newest
question
63
Geometric interpretation of characteristic polynomial
Jul 27, 2010
answer
53
Thinking and Explaining
Sep 14, 2010
question
35
When is a symplectic manifold equivalent to a cotangent bundle?
Aug 17, 2010
question
18
Conceptual explanation of Strassen's trick for matrix multiplication
Sep 23, 2012
answer
15
Are there other nice math books close to the style of Tristan Needham?
Jul 16, 2010
answer
12
How can I visualize the nontrivial element of $\pi_4(S^3)$ and $\pi_5(S^3)$ ?
Sep 11, 2010
answer
12
Jokes in the sense of Littlewood: examples?
Sep 17, 2010
question
11
Cubical cohomology and de Rham cohomology
Jul 28, 2010
answer
9
eBook readers for mathematics
Jul 4, 2010
answer
8
Book on symplectic geometry
Sep 17, 2010
Top network posts
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55
Algorithms from the Book
42
What papers should everyone read?
30
Intuition behind conjugation in group theory
22
What is the Volume of Information?
19
What are the outstanding questions in purely functional data structures?

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