Jost, Jürgen Xianqing Li-Jost creator text New York Cambridge University Press 2008 monographic xvi, 323 p. ; 24 cm. : ill. Includes index. Calculus-Variations Mathematics Dynamic optimization Geometric example Bifurcation theory Theory-Hamilton Classical theory Banach spaces Convergence RICAS 515.64 JOS 9780521057127 (pbk)