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Hsien-Chih Chang 張顯之

PhD student in Department of Computer Science, University of Illinois at Urbana-Champaign.

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76 What are your favorite instructional counterexamples? Mar 2 '10
25 Is there a 7-regular graph on 50 vertices with girth 5? What about 57-regular on 3250 vertices? Oct 28 '10
23 Finding a cycle of fixed length Feb 25 '10
20 Suggestions for good notation Oct 21 '10
16 Existence of a zero-sum subset Mar 2 '10
12 Most memorable titles Nov 1 '10
9 Equality of the sum of powers Mar 1 '10
7 A question regarding the all pair shortest paths in weighted planar graphs Apr 2 '18
6 Upper bound for size of subsets of a finite group that contains a sum-full set Oct 31 '10
4 Is the generalized Erdős–Heilbronn problem true for finite cyclic groups? Dec 15 '10
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