Media type: E-Article Title: A K-theoretical invariant and bifurcation for a parameterized family of functionals Contributor: Portaluri, Alessandro imprint: Elsevier BV, 2011 Published in: Journal of Mathematical Analysis and Applications Language: English DOI: 10.1016/j.jmaa.2010.11.009 ISSN: 0022-247X Keywords: Applied Mathematics ; Analysis Origination: Footnote: Access State: Open Access