2 papers
hep-th2001
Two simple topics in spectral theory
J. S. Dowker
1.An expression for the smoothed counting function in terms of the fractional derivatives of the delta-function is presented. 2. The Neumann-Dirichlet (ND) boundary problem is intr…
hep-th2000
The N U D problem
J. S. Dowker
The hybrid spectral problem where the field satisfies Dirichlet conditions (D) on part of the boundary of the relevant domain and Neumann (N) on the remainder is discussed in simpl…