We investigate the behavior of weak solutions to the nonlocal Robin problem for linear elliptic divergence second order equations in a neighborhood of a boundary corner point. We find an exponent of the solution's decreasing rate under minimal assumptions on the problem coefficients.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-am38-4-1, author = {Mikhail Borsuk and Krzysztof \.Zyjewski}, title = {Nonlocal Robin problem for elliptic second order equations in a plane domain with a boundary corner point}, journal = {Applicationes Mathematicae}, volume = {38}, year = {2011}, pages = {369-411}, zbl = {1232.35041}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am38-4-1} }
Mikhail Borsuk; Krzysztof Żyjewski. Nonlocal Robin problem for elliptic second order equations in a plane domain with a boundary corner point. Applicationes Mathematicae, Tome 38 (2011) pp. 369-411. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-am38-4-1/