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87
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CORR
2002
Springer
91views Education» more  CORR 2002»
15 years 14 days ago
Quantum Random Walks Hit Exponentially Faster
We show that the hitting time of the discrete time quantum random walk on the n-bit hypercube from one corner to its opposite is polynomial in n. This gives the first exponential ...
Julia Kempe
94
Voted
CORR
2010
Springer
185views Education» more  CORR 2010»
15 years 23 days ago
A new exponential separation between quantum and classical one-way communication complexity
We present a new example of a partial boolean function whose one-way quantum communication complexity is exponentially lower than its one-way classical communication complexity. T...
Ashley Montanaro
134
Voted
NC
2011
175views Neural Networks» more  NC 2011»
14 years 7 months ago
P systems with active membranes: trading time for space
We consider recognizer P systems having three polarizations associated to the membranes, and we show that they are able to solve the PSPACEcomplete problem Quantified 3SAT when wo...
Antonio E. Porreca, Alberto Leporati, Giancarlo Ma...
EJC
2010
15 years 22 days ago
Discrete piecewise linear functions
The concept of permutograph is introduced and properties of integral functions on permutographs are established. The central result characterizes the class of integral functions t...
Sergei Ovchinnikov
99
Voted
ITA
2002
15 years 10 days ago
On multiplicatively dependent linear numeration systems, and periodic points
Abstract. Two linear numeration systems, with characteristic polynomial equal to the minimal polynomial of two Pisot numbers and respectively, such that and are multiplicatively...
Christiane Frougny