The Journal of the Indian Mathematical Society

N. G. De Bruijn ¹

Affiliations
1 Mathematisch Institut, der Universiteit van Amsterdam, Amsterdam, NL

Abstract

It is analogous to the Lagrange formula for det M M^T, where M is a rectangular matrix and M^T its transpose.

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N. G. De Bruijn ¹

Affiliations
1 Mathematical Institute, Technical University of Delft, Delft, NL

Abstract

During the last few years several mathematicians (S. D. Chowla and T. Vijayaraghavan [4], V. Ramaswami[5], A. A. Buchstab[i] and others) discussed the number of integers which are ≤ x and free of prime divisors > y. We shall denote the number by φ(x,y).

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