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JACM
2007
93views more  JACM 2007»
13 years 5 months ago
AdWords and generalized online matching
Aranyak Mehta, Amin Saberi, Umesh V. Vazirani, Vij...
JACM
2007
92views more  JACM 2007»
13 years 5 months ago
Periodicity and unbordered words: A proof of the extended duval conjecture
The relationship between the length of a word and the maximum length of its unbordered factors is investigated in this paper. Consider a finite word w of length n. We call a word...
Tero Harju, Dirk Nowotka
JACM
2007
48views more  JACM 2007»
13 years 5 months ago
The measurement calculus
We propose a calculus of local equations over one-way measurement patterns [1], which preserves interpretations, and allows the rewriting of any pattern to a standard form where e...
Vincent Danos, Elham Kashefi, Prakash Panangaden
JACM
2007
90views more  JACM 2007»
13 years 5 months ago
A characterization of regular expressions under bisimulation
We solve an open question of Milner [1984]. We define a set of so-called well-behaved finite automata that, modulo bisimulation equivalence, corresponds exactly to the set of reg...
Jos C. M. Baeten, Flavio Corradini, Clemens Grabma...
JACM
2007
115views more  JACM 2007»
13 years 5 months ago
Optimal pants decompositions and shortest homotopic cycles on an orientable surface
We consider the problem of finding a shortest cycle (freely) homotopic to a given simple cycle on a compact, orientable surface. For this purpose, we use a pants decomposition of...
Éric Colin de Verdière, Francis Laza...