**Research papers that have recently been published:**

Situation theory and situation semantics, in Dov Gabbay and John Woods (eds), *Handbook of the History of Logic*, Volume 7, Elsevier, 2008, pp.601-664.

A mathematician reflects on the useful and reliable illusion of reality in mathematics. Proceedings of the workshop *Towards a New Epistemology of Mathematics*, held at the GAP.6 Conference in Berlin, September 14-16, 2006. Erkenntnis, Vol. 68, No. 3, May 2008, pp.359-379.

What will count as mathematics in 2100? Bonnie Gold and Roger Simons (eds), *Proof and Other Dilemmas: Mathematics and Philosophy *, MAA Spectrum Series, 2008, pp.291-311.

Answers to five questions Luciano Floridi (ed), *Philosophy of Computing and Information: 5 Questions*, Automatic Press, 2008, pp.61-69.

Information in the study of human interaction (with Duska Rosenberg). Johan van Benthem et al (eds), *Handbook of the Philosophy of Information*, North Holland, 2008, pp.685-710.

Modeling real reasoning. Giovanni Sommaruga (ed), *Formal Theories of Information*, Springer Verlag "Lecture Notes in Computer Science", 2009, pp.234-252.

**Research papers that have been completed but not yet published:**

Recreational mathematics in Leonardo of Pisa's *Liber abbaci*, Proceeedings of the Recreational Mathematics Conference held in Evora, Portuga, April 28-30, 2011, 21 pages, to appear.

A uniform framework for describing and analyzing the modern battlefield (project for the US Army), 18 pages

Information-based Model for Knowledge Management (with Duska Rosenberg), 19 pages.

**Research papers that are not yet completed:**

Confronting context effects in intelligence analysis: How can mathematics help? 70 pages to date.

Scientific Heat About Cold Hits 50 pages to date.

List last updated: February 2, 2012.