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Hao S's user avatar
Hao S's user avatar
Hao S
  • Member for 10 years, 4 months
  • Last seen more than a month ago
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Top posts
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question
5
What is the LP gap of vertex cover in planar graphs?
Apr 11, 2018
question
5
"separators" for nonplanar graphs embedded in the plane
Mar 21
question
4
Can anyone suggest a text on polyhedral theory?
Aug 6, 2014
question
4
Can the vertices of a planar graph of min degree 3 be covered with edges of average weight ( sum of degrees) at most 14?
Aug 15, 2019
question
2
Dipping into sets of parallel edges in graph drawings
Jul 29
question
1
Given a vertex $u$ (of bounded degree $k$) and another vertex $v$ in a planar graph, what is the smallest number of "curves"?
Jan 17, 2020
question
1
Is there a variant of the crossing lemma for multigraphs with arbitrary embedding?
Mar 24
question
1
Problem related to crossing number
Jun 4
question
1
What lower bounds are known for pair crossing number and related questions in multigraphs?
Jun 21
question
0
What are some examples of isotrophic sets?
Dec 30, 2014
Top network posts
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30
Were Egyptian Pharaohs literate?
11
No counter 'theorem' defined
11
Why does starting a %-type comment after "\end{comment}" cause problems?
10
ImportError: DLL load failed while importing QtWebEngineWidgets: when running spyder for python
9
Differentiable in $(a,b)$ with bounded derivative, continuous at $a$ but not right differentiable at $a$