Hölder continuity of weak solutions is studied for a nondiagonal parabolic system of singular quasilinear differential equations with matrix of coefficients satisfying special structure conditions. A technique based on estimating linear combinations of the unknowns is employed.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap88-3-2, author = {Dmitry Portnyagin}, title = {H\"older continuity of weak solutions to nondiagonal singular parabolic systems of three equations}, journal = {Annales Polonici Mathematici}, volume = {89}, year = {2006}, pages = {205-227}, zbl = {1113.35090}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap88-3-2} }
Dmitry Portnyagin. Hölder continuity of weak solutions to nondiagonal singular parabolic systems of three equations. Annales Polonici Mathematici, Tome 89 (2006) pp. 205-227. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap88-3-2/