Time Travel and Backwards Causation

Recent Talks

“Closed Time-like Curves Require Revisions of Laws” with Gerard Milburn, at the Workshop on Probability and Time Travel, University of Sydney, November 2014.

“Who put the ‘Cause’ in Retrocausality?”at Free Will and Retrocausality in the Quantum World Conference, Trinity College, Cambridge, July 2014.

“2000 Years of Eternal Return” La Asociación de Filosofía e Historia de la Ciencia del Cono Sur (AFHIC) Conference, Santiago, October 2012.

“A and B Theories of Closed Time” Time and Explanation Conference, University of Geneva, September 2011.

“If I Hadn’t Pressed That Button: Lewis on Time Travel and Counterfactuals” American Philosophical Association Central Division meeting in Chicago, February 18-21, 2009.

“Philosophical Theories of Time meet Quantum Gravity” at The Clock and the Quantum: Time in Quantum Foundations, Perimeter Institute, September 2008. Audio/video


“Every Now and Then: A-theory and Loops in Time” Journal of Philosophy 106:641-665, 2009.

“Review of The Future of Presentism, Bourne, C.,” Mind, January 2009; 118: 156 – 160. pdf

“Common Sense, Relativity and Theories of Time” in Vanderbeeken, R. and D’Hooghe, B. (eds) Worldviews, Science and Us: Studies of Analytical Metaphysics. A Selection of Topics From a Methodological Perspective. World Scientific Publishing Company, Singapore, 2010, pp. 32 43.

“Constraints on Data in Worlds with Closed time-like Curves” in Philosophy of Science 74:724-35, 2007. pdf

“Backwards Causation” in Causalidad y explicacion: En homenaje a Wesley Salmon, José Diez Calzada and Carl Hoefer (eds). Barcelona: Autonomous University Press (in Spanish) pp. 101-111, 2005.

“The Coincidences of Time Travel” Philosophy of Science 70:574-89, 2003.

“Causal Loops and the Independence of Causal Facts”, Philosophy of Science 68: S89-S97, 2001.

“Time Travel” Review of Novikov, I., The River of Time and Pickover, C. Time: A Traveller’s Guide, Metascience, 9(1):108-110, 2000.

“The Case for Time Travel”, Philosophy 75: 441-451, 2000.

“The Future of Time Travel” in LaCaze, M. (ed) Philosophy and the New Millennium Pyrrho Press, Hobart, 2000.

“The Improbability of Time Travel”, in Metaphysics in the Post-Metaphysical Age: Contributions of the 22nd International Wittgenstein Symposium, Austrian Ludwig Wittgenstein Society, Kirchberg, Austria, pp. 197-183,1999.

with Dylan Evans “How to Clone Sexually” unpublished ms, 1998.

“A Defense of Backwards in Time Causation Models in Quantum Mechanics”, Synthese 112: 233-246, 1997.

“Backwards Causation and the Direction of Causal Processes”. Mind, 105, pp. 227-48, 1996.