Research
Formal Epistemology, Evidence-based Belief Revision, Multi-agent Systems, Dynamic Epistemic Logic, Justification Logic, Epistemic Logic, Modal Logic
Working Papers
  • Simple Evidence Elimination in Justification Logic. In P. Girard, O. Roy, and M. Marion, editors, Dynamic Formal Epistemology. Volume 351 of Synthese Library. Springer, 2011.
  • Multi-Agent Justification Logic: Communication and Evidence Elimination. Manuscript, August 2010.
  • (with Joshua Sack, Audrey Yap) Dynamic Epistemic Temporal Logic. Extended Manuscript, July 2009.
  • A Survey of Dynamic Epistemic Logic. Manuscript, July 2008.
Published Papers
Invited Talks
  • "Multi-Agent Justification Logic: Communication and Evidence Elimination." Information Processing, Rational Beliefs and Social Interaction (10w2133). Banff International Research Station (BIRS) for Mathematical Innovation and Discovery, Banff Centre, Banff, Alberta, Canada, 28 August 2010.
  • "How to Tell Time in Epistemic Logic." Work-in-Progress Workshop of Professor Margaret Anne Cameron, Department of Philosophy, University of Victoria. University of Victoria, Victoria, British Columbia, Canada, 10 August 2010.
  • "Evidence Elimination in Justification Logic." Justification Logics Seminar. Research Group for Theoretical Computer Science and Logic, Institute of Computer Science and Applied Mathematics, Faculty of Science, University of Bern, Bern, Switzerland, 20 May 2010.
  • "Evidence Elimination in Multi-Agent Justification Logic." Logic and Interactive Rationality (LIRA) seminar. Institute for Logic, Language & Computation (ILLC), University of Amsterdam, Amsterdam, The Netherlands, 17 February 2009.
  • "Dynamic Epistemic Logic." Summer 2009 seminar of Professor Ray Jennings, Department of Philosophy, Simon Fraser University. Simon Fraser University, Burnaby, British Columbia, Canada, 27 July 2009.
  • "'Strategies Made Explicit in Dynamic Game Logic': A Paper by Sujata Ghosh." The P. van Emde Boas Swap Session of The Third Workshop in Decisions, Games, & Logic (DGL'09). Université de Lausanne, Faculté des Hautes Etudes Commerciales (HEC Lausanne), Lausanne, Switzerland, 15 June 2009.
  • "Simple Evidence Derogation in Justification Logic." Groningen Logic Colloquium (Grolog). University of Groningen, Groningen, The Netherlands, 19 February 2009.
  • "Reasoning About Evidence in Hypothetical Situations." Epistemology Meets Logic, Informally. Stanford University, Stanford, California, USA, 31 May 2008.
  • "Epistemic Updates in Justification Logics." Dynamic Logic Montréal. Université du Québec à Montréal, Montréal, Québec, Canada, 20 June 2007.
  • "Propositional Games with Explicit Strategies." 13th Workshop on Games, Logic, Language, and Computation (GLLC 14). University of Amsterdam, Amsterdam, The Netherlands, 3 October 2006.
Organizational Activity
Teaching
  • CSCI 120: Introduction to Computers, a course for non-majors at Hunter College. Spring 2005.
  • CSCI 235: Software Design and Analysis 2, a data structures course at Hunter College. Spring 2004, Fall 2004, Fall 2003.
Personal