Philadelphia, Pa. : Society for Industrial and Applied Mathematics, c2011.
Book, Conference Proceedings
xii, 321 p. : ill. (some col.), col. maps ; 25 cm.
"An expanded version of the author's lectures delivered at the NSF-CBMS international research conference organized by the Mathematics Department in the University of Texas-Pan American, Edinburgh, Texas, during the week of May17-21, 2010"--P. xi.
Includes bibliographical references (p. 299-317) and index.