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DMTCS
2003
89views Mathematics» more  DMTCS 2003»
13 years 9 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
ISSAC
1999
Springer
86views Mathematics» more  ISSAC 1999»
14 years 8 days ago
How Fast Can We Compute Products?
In this paper we consider the problem of fast computation of n-ary products, for large n, over arbitrary precision integer or rational number domains. The combination of loop unro...
V. Kislenkov, V. Mitrofanov, Eugene V. Zima
ISSAC
1997
Springer
125views Mathematics» more  ISSAC 1997»
14 years 5 days ago
A Modular Algorithm for Computing Greatest Common Right Divisors of Ore Polynomials
Abstract. This paper presents a modular algorithm for computing the greatest common right divisor (gcrd) of two univariate Ore polynomials over Z[t]. The subresultants of Ore polyn...
Ziming Li, István Nemes