Abstract
A new class of one-dimensional relativistic nonlinear wave equations with a singular δ-type nonlinear term is considered. The sense of the equations is defined according to the least-action principle. The energy and momentum conservation is established. The main results are the existence of time-periodic finite-energy solutions, the existence of global solutions and soliton-type asymptotics for a class of finite-energy initial data.
| Original language | English |
|---|---|
| Pages (from-to) | 317-345 |
| Journal | Archive for Rational Mechanics and Analysis |
| Volume | 165 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Dec 2002 |
| Externally published | Yes |
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