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Results tagged with semidefinite-programming
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user 3139
1
vote
0
answers
144
views
Unit distance representation of a graph through Semidefinite Programming
I would like to ask on the number of different drawings of the unit distance representation of a graph, found through a semidefinite program (see www.cs.elte.hu/~lovasz/semidef.ps , p. 20-22). Since w …
- 573
3
votes
0
answers
162
views
Gram matrix of Max-Cut relaxation
It seems that Goemans and Williamson give a unique representation for each graph of the semidefinite relaxation (elements $y_{ij}$ of Y). However, semidefinite programming may give the same maximum va …
- 573
1
vote
1
answer
443
views
Optimal value of a semidefinite program
Is a local optimum value of a SDP always the global one?
If not, what are the conditions for that?
- 573