924 search results - page 1 / 185 » On the number of ordered factorizations of natural numbers |
DM
2000
13 years 4 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...
CSL
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. Expansions of the natural number ordering by unary predicates are studied, using logics which in expressive power are located between first-order and monadic second-order...
COMPUTING
2000
13 years 4 months ago
2000
We investigate multilevel incomplete factorizations of M-matrices arising from
JCT
2008
13 years 4 months ago
2008
Factorizations of the cyclic permutation (1 2 . . . N) into two permutations with respectively n and m cycles, or, equivalently, unicellular bicolored maps with N edges and n whit...
JCT
2006
13 years 4 months ago
2006
We give a new expression for the number of factorizations of a full cycle into an ordered product of permutations of specified cycle types. This is done through purely algebraic me...