2 citations · 2 across the 2 of their papers we have counts for
2 papers
math.NT2017★ 2 cited
A set of 12 numbers is not determined by its set of 4-sums
J. E. Isomurodov, K. P. Kokhas
We present two sets of 12 integers that have the same sets of 4-sums. The proof of the fact that a set of 12 numbers is uniquely determined by the set of its 4-sums published 50 ye…
math.SP1999
Spectral estimations for Laplace operator for the discrete Heisenberg group
K. Kokhas, A. Suvorov
Let H be the discrete 3-dimensional Heisenberg group with the standard generators x, y, z. The element Delta of the group algebra for H of the form Delta= (x+x^{-1}+y+y^{-1})/4 is…