Charles Chen

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Name Charles Chen
Member for 3 years
Seen Jul 28 2011 at 18:24
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Location Berkeley, CA
Age 24
Undergraduate at UC Berkeley.
4

Questions
votes newest views recent
3
9
votes
4
answers
559
views

Count of binary matrices that avoids a certain sub-matrix

jul 3 10 at 17:24 Max Alekseyev 1,669●4●9

2
7
votes
1
answer
2k
views

12 balls weighing puzzle

sep 20 10 at 3:12 Gjergji Zaimi 37.4k●2●72●149

3
6
votes
3
answers
554
views

Notions of degree for maps $S^n \to S^n$?

nov 11 09 at 13:59 David Speyer 55k●3●102●236

2
3
votes
3
answers
563
views

Singular points of an irreducible polynomial

apr 6 10 at 3:28 auniket 1,526●7●14

 

4

Answers
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16
Interesting applications of the Pigeon-hole Principle
4
The probabilistic method - reference to less challenging questions
3
Algorithm for Ham Sandwich with Points
1
Smith Normal Form and lower triangular Toeplitz Matrices

 

62

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2

 

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