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IPL
2007
94views more  IPL 2007»
13 years 7 months ago
A note on emptiness for alternating finite automata with a one-letter alphabet
We present a new proof of PSPACE-hardness of the emptiness problem for alternating finite automata with a singleton alphabet. This result was shown by Holzer (1995) who used a pr...
Petr Jancar, Zdenek Sawa
CORR
2007
Springer
149views Education» more  CORR 2007»
13 years 7 months ago
About the domino problem in the hyperbolic plane, a new solution
In this paper, we complete the construction of paper [9, 11]. Together with the proof contained in [9, 11], this paper definitely proves that the general problem of tiling the hy...
Maurice Margenstern
TCS
2008
13 years 7 months ago
Another proof of Soittola's theorem
Soittola's theorem characterizes R+- or N-rational formal power series in one variable among the rational formal power series with nonnegative coefficients. We present here a...
Jean Berstel, Christophe Reutenauer
APAL
2005
78views more  APAL 2005»
13 years 7 months ago
The logic of proofs, semantically
A new semantics is presented for the logic of proofs (LP), [1, 2], based on the intuition that it is a logic of explicit knowledge. This semantics is used to give new proofs of se...
Melvin Fitting
IACR
2011
98views more  IACR 2011»
12 years 7 months ago
New Receipt-Free E-Voting Scheme and Self-Proving Mix Net as New Paradigm
The contribution of this paper is twofold. First we present a new simple electronic voting scheme having standard re-encryption mix net back-end, which allows to cast a ballot and ...
Aram Jivanyan, Gurgen Khachatryan