2 papers
math.SP2026
Self-adjoint extensions of symmetric relations associated with systems of ordinary differential equations with distributional coefficients
Steven Redolfi, Rudi Weikard
We study the extension theory for the two-dimensional first-order system of differential equations on the real interval where is a constant, invertible,…
nlin.SI2025
Bright and dark breathers on an elliptic wave in the defocusing mKdV equation
Dmitry E. Pelinovsky, Rudi Weikard
Breathers on an elliptic wave background consist of nonlinear superpositions of a soliton and a periodic wave, both traveling with different wave speeds and interacting periodicall…