Lattice sums of $I$-Bessel functions, theta functions, linear codes and heat equations

Takehiro Hasegawa, Hayato Saigo, Seiken Saito +1

We extend a certain type of identities on sums of $I$-Bessel functions on lattices, previously given by G. Chinta, J. Jorgenson, A. Karlsson and M. Neuhauser. Moreover we prove tha…