Critical Point Theory and Its Applications by Wenming Zou (English) Paperback Bo
131,24 €
By Wenming Zou, Martin Schechter. "Many, often difficult and advanced, examples included into the text form an excellent review of a frontline of actual research in the area. —Zentralblatt Math"In many variational problems, the functional Phi is strongly indefinite and does not satisfy the Palais-Smale condition.
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