We discuss the solvability of a nonhomogeneous boundary value problem for the semilinear equation of the vibrating string in a bounded domain and with a certain type of superlinear nonlinearity. To this end we derive a new dual variational method.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-am35-1-5, author = {Andrzej Nowakowski}, title = {Nonhomogeneous boundary value problem for a semilinear hyperbolic equation}, journal = {Applicationes Mathematicae}, volume = {35}, year = {2008}, pages = {81-95}, zbl = {1146.35390}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am35-1-5} }
Andrzej Nowakowski. Nonhomogeneous boundary value problem for a semilinear hyperbolic equation. Applicationes Mathematicae, Tome 35 (2008) pp. 81-95. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am35-1-5/