**Jan 7**``Exploratory Experimentation and Computation." AMS Special Session in Logic and Analysis, Combined Membership Meetings, New Orleans.**Jan 9**``Douglas-Rachford iterations in the absence of convexity." AMS Special Session on Douglas-Rachford Methods, Combined Membership Meetings, New Orleans.**Jan 9**``Short Walks and Ramble Integrals: The Arithmetic of Uniform Random Walks." AMS Special Session on Special Functions, Combined Membership Meetings, New Orleans.**Jan 11**``Moments of Ramanujan's Generalized Elliptic Integrals and Extensions of Catalan's Constant." Number Theory Seminar, Mathematics Dept, University of Florida.**Jan 11**````Ramanujan's AG continued fraction." Colloquium, Mathematics Dept, University of Florida.**Jan 12**``Life of Pi." Graduate Colloquium, Mathematics Dept, University of Florida.**Jan 29**``Difference Convex Functions," Workshop on Continuous Optimization, Univ of South Australia.**Feb 1**``Compressed Sensing: a Subgradient Approach." Special Session on Optimization, ANZIAM 2011.**Feb 16**``Fractal Geometry." Presentation to Year 7 students form Wallsend with Michael Rose to the NSW MEGS program (Making Educational Goals Sustainable).**March 14**``Life of Pi: History and Computation -- a Talk for Pi Day." University of Technology Sydney.**March 14**``Life of Pi: History and Computation -- a Talk for Pi Day." Interviews with ABC Sydney, Goldcoast and Tasmania/Victoria.**March 15**``Life of Pi: History and Computation -- a Talk for Pi Day." AMSI AGR Talk for PiDay in America.**March 16**``Short Walks, Mahler Measures and Logsine Integrals, I." CARMA Seminar.**March 23**``Short Walks, Mahler Measures and Logsine Integrals, II." CARMA Seminar.**April 26**``CARMA and Me: An Introduction." CDSC-CARMA-CISRA (Canon Information Systems Research Australia) afternoon, CARMA.**May 4**``CARMA and Me" New Fellows Seminar, Australian Academy of Science, Shine Dome, Canberra.**May 17**``CARMA and Me: or Why am I in Oz?" JonFest 2011, IRMACS, Simon Fraser University, 16-20 May.**May 23**``BBP numbers and digit-extraction algorithms." CARMA Seminar.**June 4**``Mysteries of the Mathematical Universe." World Science Festival Panel, New York. Panel shared with Devlin, de Sautoy, Singh.**June 7**``Measures, Walks and Integrals: a Study in Hybrid Computation." First Plenary Lecture, Numeric-Symbolic Computation 2011 FCCAR Meetings), San Jose.**June 30**``CARMA and Me: or Why am I in Oz?" Two presentations to 2011 Teachers' Visit Day, University of Newcastle.**July 8**``Maximum Entropy and Projection Methods for Inverse Problems." Plenary Lecture, EUROPT 2011, University of Ballarat, Victoria.**July 18**``Are Pi's days numbered?" Interview with ABC Goldcoast.**July 19**``CARMA and Me: An Introduction." First CARMA Retreat, Shortland Wetland.**Sept 6**``A Sinc that Sank." CARMA Analysis Seminar, Newcastle.**Sept 27**``Measures, Walks and Integrals: a Study in Hybrid Computation." Keynote Lecture, AustMS Special Session on Computational Mathematics (presented by James Wang) 2011 AustMS Meetings, Wollongong Sept 26-29.**Sept 29**``Teaching and Researching at the Tertiary Level with Collaboration Tools." Plenary Lecture, ALTC Workshop, 2011 AustMS Meetings, Wollongong Sept 29-30.**October 15**``Douglas-Rachford iterations in the absence of convexity." Plenary Lecture (given from Newcastle), 13th Midwest Optimization Meeting and Workshop on Large Scale Optimization and Applications, Fields Institute, October 14-15.**November 3**``Actually: Teaching and Researching at the Tertiary Level with Collaboration Tools." CARMA Colloquium.**November 29**``Meetings with Computer Algebra and Special Functions: A Ramanujan Style Talk." Plenary Lecture at JonFest Down Under, CARMA-AMSI Workshop, Nov 29-Dec 1, Newcastle.