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2000
13 years 11 months ago
2000
DM
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13 years 11 months ago
2000
For integers p; q; s with p
DM
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13 years 11 months ago
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DM
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13 years 11 months ago
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DM
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13 years 11 months ago
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Word reversing is a combinatorial operation on words that detects pairs of equivalent words in monoids that admit a presentation of a certain form. Here we give conditions for this...
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2000
13 years 11 months ago
2000
We characterize the finite graph algebras which are dualizable. Indeed, a finite graph algebra is dualizable if and only if each connected component of the underlying graph is eith...
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13 years 11 months ago
2000
We study the number of ways to factor a natural number n into an ordered product of integers, each factor greater than one, denoted by H(n). This counting function from number the...
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13 years 11 months ago
2000
We will prove a d-dimensional version of the Geelen and Simpson theorem. c 2000 Elsevier Science B.V. All rights reserved.
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13 years 11 months ago
2000
This paper discusses investigations of sequences of natural numbers which count the orbits of an in nite permutation group on n-sets or n-tuples. It surveys known results on the g...
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2000
13 years 11 months ago
2000
Let a be a vector of real numbers. By an integer relation for a we mean a non-zero integer vector c such that caT = 0. We discuss the algorithms for nding such integer relations f...