title: Analytic index for a family of Dirac-Ramond operators.
abstract: We derive a cohomological formula for the analytic index of a family of Dirac-Ramond operators and exhibit its modular properties.
authors.affiliation: Department of Physics, University of Miami, Coral Gables, FL 33146, USA. alvarez@physics.miami.edu
authors.forename: Orlando
authors.initials: O
authors.lastname: Alvarez
authors.forename: Paul
authors.initials: P
authors.lastname: Windey