We prove that the initial value problem for the semi-linear Schrödinger and wave equations is well-posed in the Besov space , when the nonlinearity is of type , for . This allows us to obtain self-similar solutions, as well as to recover previously known results for the solutions under weaker smallness assumptions on the data.
@incollection{JEDP_1999____A9_0, author = {Planchon, Fabrice}, title = {Self-similar solutions and {Besov} spaces for semi-linear {Schr\"odinger} and wave equations}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {9}, pages = {1--11}, publisher = {Universit\'e de Nantes}, year = {1999}, zbl = {01810582}, language = {en}, url = {http://archive.numdam.org/item/JEDP_1999____A9_0/} }
TY - JOUR AU - Planchon, Fabrice TI - Self-similar solutions and Besov spaces for semi-linear Schrödinger and wave equations JO - Journées équations aux dérivées partielles PY - 1999 SP - 1 EP - 11 PB - Université de Nantes UR - http://archive.numdam.org/item/JEDP_1999____A9_0/ LA - en ID - JEDP_1999____A9_0 ER -
Planchon, Fabrice. Self-similar solutions and Besov spaces for semi-linear Schrödinger and wave equations. Journées équations aux dérivées partielles (1999), article no. 9, 11 p. http://archive.numdam.org/item/JEDP_1999____A9_0/
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