Gaussian binomials and the number of sublattices.
The purpose of this short communication is to make some observations on the connections between various existing formulas of counting the number of sublattices of a fixed index in an n-dimensional lattice and their connection with the Gaussian binomials.
Zou
Yi Ming
YM
Department of Mathematical Sciences, University of Wisconsin, Milwaukee, WI 53201, USA. ymzou@uwm.edu