Algorithms and Computation: 10th International Symposium, by Alok Aggarwal, C. Pandu Rangan PDF

By Alok Aggarwal, C. Pandu Rangan

ISBN-10: 3540466320

ISBN-13: 9783540466321

ISBN-10: 3540669167

ISBN-13: 9783540669166

This booklet constitutes the refereed lawsuits of the tenth overseas Symposium on Algorithms and Computation, ISAAC'99, held in Chennai, India, in December 1999.
The forty revised complete papers awarded including 4 invited contributions have been conscientiously reviewed and chosen from seventy one submissions. one of the issues lined are info constructions, parallel and disbursed computing, approximation algorithms, computational intelligence, on-line algorithms, complexity idea, graph algorithms, computational geometry, and algorithms in perform.

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Extra resources for Algorithms and Computation: 10th International Symposium, ISAAC’99 Chennai, India, December 16–18, 1999 Proceedings

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Now we compare the expected costs of R and KMMO at any fixed t = tk . By our choice of tk , the probability to buy until tk is k/n in both algorithms. It remains to compare the expected rent time. The probability to buy the resource in interval (ti , ti+1 ] is 1/n, but R defers the buy decisions of KMMO until ti+1 . Hence the contribution of every such interval (for 0 ≤ i < k) to the expected 34 P. Damaschke rent time of R exceeds that of KMMO by at most (ti+1 − ti )/2n. ) Hence the total excess is at most tk /2n.

Tarjan, R. , “Biased Search Trees”, J. on Computing 14(3) (1985), 545–568. 6. , Wei, V. , “Splay Trees for Data Compression”, Proc. 6th Symp. on Discrete Algorithms (1995), 522–530. 7. Hu, T. , Tucher, A. , “Optimal Computer Search Trees and Variable-Length Alphabetic Codes”, J. of Applied Mathematics 21(4) (1971), 514–532. 8. Knuth, D. , “Optimum Binary Search Trees”, Acta Informatica 1(1) (1971), 14–25. 9. Overmars, M. , “The Design of Dynamic Data Structures”, Lecture Notes on Computer Science 156, Springer Verlag, 1983.

Using a timer for each thread is out of the question. It is too expensive and may even cause a server crash [2]. Instead we should use n timers, one for each set Tk of idle threads whose idle time is fixed to be tk . The k-th timer notifies the program if the earliest expiry date in Tk is reached. e. constantly many) expected steps: Since the tk are drawn from a cyclic ordering, interrupted by random shifts, we may simply search the stack bottomup, until we meet a thread from Tk . To appreciate this property, note that in the basic version of EXPIRY DATE STACK (R) (cf.

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Algorithms and Computation: 10th International Symposium, ISAAC’99 Chennai, India, December 16–18, 1999 Proceedings by Alok Aggarwal, C. Pandu Rangan

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