Lattice invariants from the heat kernel
Juan Cervino and Georg Hein
| Number | 40 |
|---|---|
| Authors |
Juan Cervino
Georg Hein |
| Year | 2009 |
We derive lattice invariants from the heat flux of a lattice. Using spherical theta functions we obtain for integer lattices invariant modular forms. The invariants include the theta function. However, in dimension four we show that our invariants can distinguish two isospectral lattices.
