2015

Metaphysically Lightweight Abstraction, Realism and Objectivity, Matera, September (invited)

Reference and Invariance in Abstraction Principles, CLMPS, Helsinki, August (contributed)

Metaphysically Lightweight Abstraction, Workshop in Philosophy of Logic, University of Padua, Italy, May (invited)

Reference and Invariance in Abstraction Principles, Logic Colloquium, University of Connecticut, USA, February (invited)

On the existence and identity of Fregean abstracta, Center for the Advancement of Logic, its Philosophy, History and Applications, University of California Irvine, USA, January (invited)

Reference and Invariance in Abstraction Principles (I and II), Philosophy Department, UC Davis, January (invited)