223 citations · 460 across the 13 of their papers we have counts for
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math-ph2007
On a class of rational matrices and interpolating polynomials related to the discrete Laplace operator
Pierpaolo Vivo, Mario Casartelli, Luca Dall'Asta +1
Let $\dlap$ be the discrete Laplace operator acting on functions (or rational matrices) , where is the two dimensional lattice of size $…
nlin.PS2007★ 23 cited
Soliton Propagation in Chains with Simple Nonlocal Defects
R. Burioni, D. Cassi, P. Sodano +2
We study the propagation of solitons on complex chains built by inserting finite graphs at two sites of an unbranched chain. We compare numerical findings with the results of an an…