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Theoretical Computer Science
Hsien-Chih Chang 張顯之's user avatar
Hsien-Chih Chang 張顯之's user avatar
Hsien-Chih Chang 張顯之's user avatar
Hsien-Chih Chang 張顯之
  • Member for 13 years, 11 months
  • Last seen more than a week ago
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PhD student in Department of Computer Science, University of Illinois at Urbana-Champaign.

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question
72
Common false beliefs in theoretical computer science
Dec 7, 2010
answer
63
Are there any open problems left about DFAs?
May 11, 2014
question
53
Why do we consider log-space as a model of efficient computation (instead of polylog-space) ?
Dec 1, 2010
answer
47
Common false beliefs in theoretical computer science
Dec 7, 2010
question
37
Efficiently computable function as a counter-example to Sarnak's Mobius conjecture
Feb 23, 2011
question
30
Polynomial method for complexity results
Nov 8, 2010
answer
22
Common false beliefs in theoretical computer science
Dec 8, 2010
answer
21
Conditions for NFA universality
Dec 5, 2010
question
20
Deterministic Parallel algorithm for perfect matching in general graphs?
Nov 15, 2010
question
20
Consequences of UP equals NP
Dec 20, 2010
Top Meta posts
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17
The modifiable part of our general FAQ
12
Cancel a comment upvote
10
A policy proposal against questions asking for a correctness check
7
1000 posts - Is our rocket flying well?
5
Questions for candidates in 2011 community moderator election
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85
What are your favorite instructional counterexamples?
26
Is there a 7-regular graph on 50 vertices with girth 5? What about 57-regular on 3250 vertices?
24
Finding a cycle of fixed length
23
Suggestions for good notation
17
Existence of a zero-sum subset