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pro vyhledávání: '"Daniel Baczkowski"'
Publikováno v:
Journal of Algebraic Combinatorics. 55:61-87
We present a method for determining the number of decimation classes of density $$\delta $$ binary vectors indexed by a finite abelian group G of size $$\ell $$ and exponent $${\ell ^*}$$ such that $$\delta $$ is relatively prime to $${\ell ^*}$$ . T
Publikováno v:
International Journal of Number Theory. :1199-1214
For f one of the classical arithmetic functions d, ϕ and σ, we establish constraints on the quadruples (n, m, a, b) of integers satisfying f(n!)/m! = a/b. In particular, our results imply that as nm tends to infinity, the number of distinct prime d