By Kurt Mehlhorn (auth.), Sudebkumar Prasant Pal, Kunihiko Sadakane (eds.)
This e-book constitutes the revised chosen papers of the eighth foreign Workshop on Algorithms and Computation, WALCOM 2014, held in Chennai, India, in February 2014. The 29 complete papers awarded including three invited talks have been rigorously reviewed and chosen from sixty two submissions. The papers are geared up in topical sections on computational geometry, algorithms and approximations, disbursed computing and networks, graph algorithms, complexity and boundaries, and graph embeddings and drawings.
Read or Download Algorithms and Computation: 8th International Workshop, WALCOM 2014, Chennai, India, February 13-15, 2014, Proceedings PDF
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This publication constitutes the revised chosen papers of the eighth overseas Workshop on Algorithms and Computation, WALCOM 2014, held in Chennai, India, in February 2014. The 29 complete papers provided including three invited talks have been rigorously reviewed and chosen from sixty two submissions. The papers are geared up in topical sections on computational geometry, algorithms and approximations, disbursed computing and networks, graph algorithms, complexity and limits, and graph embeddings and drawings.
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Additional resources for Algorithms and Computation: 8th International Workshop, WALCOM 2014, Chennai, India, February 13-15, 2014, Proceedings
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Clearly, 1−α (x∗ , y ∗ ) forms a feasible solution to the natural set cover LP on (B \ Bα , HH ∪ HV ). Hence, by applying the above algorithm for inﬁnite penalties, we can obtain a half-strip cover S for 1 all blue points in B \ Bα with cost within O(1) of 1−α · ( hs∈HV w(hs)x∗hs + ∗ hs∈HH w(hs)yhs ). Since the penalty for not covering the blue points in Bα is at most α1 p∈B P(p)zp∗ , the set S of half-strips gives an O(1) solution to HS-4D-MC with arbitrary penalties. Lemma 11. Let OPTM and OPTS denote the optimal solution to HS-1D-MC and HS-1D-SC respectively on point set P .