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» On numbers of Davenport-Schinzel sequences
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DCG
2006
96views more  DCG 2006»
13 years 7 months ago
k-Sets, Convex Quadrilaterals, and the Rectilinear Crossing Number of Kn
We use circular sequences to give an improved lower bound on the minimum number of ( k)
József Balogh, Gelasio Salazar
CIBCB
2006
IEEE
14 years 1 months ago
Prediction of the Number of Helices for the Twilight Zone Proteins
– Protein structure prediction is one of the core research areas in bioinformatics. This paper addresses the protein secondary structure prediction problem for the twilight zone ...
Kanaka Durga Kedarisetti, Ke Chen, Aashima Kapoor,...
MLQ
2002
75views more  MLQ 2002»
13 years 7 months ago
Recursive Approximability of Real Numbers
A real number is recursively approximable if there is a computable sequence of rational numbers converging to it. If some extra condition to the convergence is added, then the limi...
Xizhong Zheng
DMTCS
2003
89views Mathematics» more  DMTCS 2003»
13 years 8 months ago
On the Monotonic Computability of Semi-computable Real Numbers
Let h : N → Q be a computable function. A real number x is h-monotonically computable (h-mc, for short) if there is a computable sequence (xs) of rational numbers which converges...
Xizhong Zheng, George Barmpalias
CORR
2004
Springer
92views Education» more  CORR 2004»
13 years 7 months ago
Pseudorandom number generation by p-adic ergodic transformations: an addendum
Abstract. The paper study counter-dependent pseudorandom number generators based on m-variate (m > 1) ergodic mappings of the space of 2-adic integers Z2. The sequence of intern...
Vladimir Anashin