Tsuyoshi Ito

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1,434 reputation

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bio	website	nec-labs.com/~tsuyoshi
	location	Princeton, NJ
	age	33
visits	member for	2 years, 9 months
	seen	Feb 20 at 1:09
stats	profile views	347

I am a researcher in theoretical computer science working on quantum computing.

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27 Answers

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13	Can an algorithm be faster than O(1)?
10	Mention 1 problem that is NP Hard but not NP Complete and why
9	if P=NP, then is E=NE?
7	The Hamiltonian problem on Polyominoes
6	Is there a log-space algorithm for divisibility?

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1,434 Reputation

+10	Can an algorithm be faster than O(1)?
+20	if P=NP, then is E=NE?
+10	Very simple question, but what is the proof that x.y mod m == ((x mod m).y) mod m?
-2	Proof that Pi is constant (the same for all circles), without using limits

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1 Question

votes activity newest

19	On existence of an integer between $\sqrt{n}$ and $\sqrt{2n}$ coprime to $n$

27 Tags

37 computational-complexity × 7	11 arithmetic × 2
34 algorithms × 9	7 reference-request × 2
31 computer-science × 8	5 teaching
20 graph-theory × 6	4 modular-arithmetic
18 np-complete × 3	4 sorting

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$Mathematics Stack Exchange$	Mathematics	1,434 rep	416

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