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singhsumit

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9 Questions

Votes Activity Newest Views

1

9

votes

1

answer

297

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Bounding the number of edges between star graphs such that graph is planar

graph-theory co.combinatorics puzzles

Sep 11 '11 at 23:31 Marek Chrobak 249

7

votes

0

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543

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Difference between Primal Dual Algorithm for Proper and Uncrossable Functions

reference-request graph-algorithms approximation-algorithms primal-dual

Jul 18 '11 at 20:33 singhsumit 705

1

6

votes

1

answer

651

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Is there a example of Iterative Rounding in Approximation Algorithms for vertex weighted Graphs?

graph-algorithms approximation-algorithms linear-programming iterated-rounding

Jan 30 '12 at 9:50 singhsumit 705

5

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0

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75

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A question regarding Improved Algorithm for Degree Bounded Survivable Network Design Problem

approximation-algorithms iterated-rounding

Jul 11 '11 at 1:57 Kaveh 21k

1

5

votes

2

answers

644

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Number of edges in $K_4$-free graphs

graph-theory co.combinatorics upper-bounds

Jun 10 '11 at 2:33 Perce 121

4

votes

1

answer

275

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3 colorable graphs

ds.algorithms graph-algorithms approximation-algorithms graph-colouring

Jun 11 '11 at 17:03 Kristal 141

3

votes

1

answer

256

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Standard/Formal name for the graph

reference-request graph-theory co.combinatorics terminology

Jul 13 '11 at 5:56 Hsien-Chih Chang 張顯之 7,428

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3

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1

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1k

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Max-cut via linear programming or sdp

ds.algorithms approximation-algorithms linear-programming max-cut integrality-gap

Jun 8 '11 at 8:07 singhsumit 705

1

vote

1

answer

211

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Weighted Metric Graph: ratio of sum of wts of edges to the wt of MST

graph-theory co.combinatorics graph-algorithms metrics

Apr 15 '11 at 21:12 5501 506

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