LevDub

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787 reputation

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visits	member for	10 months
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stats	profile views	67

Undergrad, heading to computer science grad school in Fall 2013.

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68 Questions

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9	How do extension fields implement $>, <$ comparisons?
6	Can the rank of the homology group of an abstract simplicial complex be computed in polynomial time?
5	Find the most vertical line in a point set in $O(n \log n)$ time
5	Is there a simple proof of Borsuk-Ulam, given Brouwer?
5	Why aren't probability measures required to use $2^X$ as the underlying $\sigma$-algebra?

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787 Reputation

+20	Can the concept of field extensions be applied equally well to UFDs?
+5	Is there a “nice” description of the algebraic closure of the field of multivariable polynomials?
+15	What is the relationship between “recursive” or “recursively enumerable” sets and the concept of recursion?
+5	Can the rank of the homology group of an abstract simplicial complex be computed in polynomial time?

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9 Answers

votes activity newest

2	Using the notation $m^{O(1)}$
1	How does a normal vector change with respect to the points that define it?
1	Where is this simple inequality in print?
1	Prove that $\sigma = \tau =e $
1	Prove that every problem in P is reducible

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57 Tags

3 computational-complexity × 6	1 abstract-algebra × 8
2 definition × 2	1 matrices × 7
2 soft-question × 2	1 homework × 5
1 geometry × 15	1 reference-request × 4
1 linear-algebra × 11	1 inequality × 2

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4 Accounts

$Mathematics Stack Exchange$	Mathematics	787 rep	8
	Stack Overflow	146 rep	2
	Theoretical Computer Science	143 rep	2
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	126 rep	1

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