Titlebook: Computing and Combinatorics; 5th Annual Internati Takano Asano,Hideki Imai,Takeshi Tokuyama Conference proceedings 1999 Springer-Verlag Ber

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Energieumwandlungen und Exergie,ifested themselves as we ran these algorithms on the Web. Finally, we observe that traditional random graph models do not explain these observations, and we propose a new family of random graph models. These models point to a rich new sub-field of the study of random graphs, and raise questions about the analysis of graph algorithms on the Web.

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Die thermische Zustandsgleichung,et they are designed for degree-3 trees only. In this paper we present new approximation algorithms that can handle trees with non-uniform degrees. The running time is .(..) and the approximation ratios are respectively (.) log . and (.) log . for unweighted and weighted trees, where . ≥ . is the maximum degree of the input trees.

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https://doi.org/10.1007/978-3-540-92895-9mplexity . can be . by functions with parity communication complexity .. The latter complements a result saying that nondeterministic and parity communication protocols cannot efficiently simulate each other. Another consequence is: (3) matrices with small Boolean rank have small matrix rigidity over any field.

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On Covering and Rank Problems for Boolean Matrices and Their Applicationsmplexity . can be . by functions with parity communication complexity .. The latter complements a result saying that nondeterministic and parity communication protocols cannot efficiently simulate each other. Another consequence is: (3) matrices with small Boolean rank have small matrix rigidity over any field.

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Some Observations on the Computational Complexity of Graph Accessibility Problem (Extended Abstract)is an invariant of graphs introduced in this paper. We next observe that for the class of all graphs consisting of only two paths, the problem still remains to be hard for deterministic log-space under the NC1-reducibility. This result tells us that the problem is essentially hard for deterministic log-space.

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