**January 17**``Seeing Things by Walking on Real Numbers", Fellows' Lecture, 2013 National Mathematics Summer School, Shine Dome, Canberra.**February 11**``Seeing Things by Walking on Real Numbers", Plenary Lecture, Third South Pacific Optimization Meeting, Newcastle.**March 14**``The Pi of Planet Earth", Plenary Lecture, AMSI AGR Distinguished Lecture Series from CARMA.**March 14**``Pi Day", Interview with ABC radio South Australia .**March 25**``Best Approximation in (reflexive) Banach space,I: Introduction", OANTS-AMSI seminar, CARMA.**April 8**``Best Approximation in (reflexive) Banach space, II: The Lau-Konjagin Theorem", OANTS-AMSI seminar, CARMA.**April 15**`Best Approximation in (reflexive) Banach space, III: The Chebysev Problem", OANTS-AMSI seminar, CARMA.**April 26**``Best approximation in Banach Space: the Chebyshev Problem." Narusean University, Workshop on*Nonsmooth Variational Inequalities, Optimization Problems and Fixed Point Theory*, April 24-26, Naresuan University, Phitsanulok, Thailand.**April 26**``Seeing things by walking on numbers." Workshop on*Nonsmooth Variational Inequalities, Optimization Problems and Fixed Point Theory*, April 24-26, Naresuan University, Phitsanulok, Thailand.**April 26**``Nonconvex Douglas-Rachford iterations." Workshop on*Nonsmooth Variational Inequalities, Optimization Problems and Fixed Point Theory*, April 24-26, Naresuan University, Phitsanulok, Thailand.**April 29**``Exploratory Experimentation in the Mathematical Sciences." Colloquium, Department of Economics, Chiang Mai University, Chiang Mai Thailand.**April 29**``Best approximation in Banach Space: the Chebyshev Problem." Colloquium, Department of Mathematics, Chiang Mai University, Chiang Mai Thailand.**April 30**``Entropy Methods for Inverse Problems." Colloquium, Department of Economics, Chiang Mai University, Chiang Mai Thailand.**April 30**``Surprise Maximization." Department of Economics, Chiang Mai University, Chiang Mai Thailand.**April 30**``Entropy Methods and Checkerboard Copulas to Simulate Rainfall." Department of Economics, Chiang Mai University, Chiang Mai Thailand.**April 30**``Seeing things by walking on numbers." Colloquium, Department of Mathematics, Chiang Mai University, Chiang Mai Thailand.**June 5**` `Exploratory Experimentation in the Mathematical Sciences." National Mathematics Seminar, Bulgarian Academy of Science.**June 10**``Seeing things by walking on numbers." First keynote, workshop on*Topological Methods in Analysis and Optimization*, Bulgarian Academy of Science June 10-13.**July 2**``Seeing things by walking on numbers."*National Youth Science Forum*students visit to University of Newcastle, July 1-2, CARMA.**July 9**``Set the default to `reproducible'." Session on reproducible computational science, MPE 2013, Melbourne, July 8-12.**July 17**``Modelling and simulation of seasonal rainfall." Recent Advances in OR, RMIT AGR-Newcastle University AGR-Adelaide, July 17.**July 30**``Variational analysis in the presence of symmetry. Part I." OAANTS AGR Seminar.**August 6**``Variational analysis in the presence of symmetry. Part II." OAANTS AGR Seminar.**August 14**``Seeing things by walking on numbers."*Maths Enrichment Session*, CARMA.**September 20**``The Life of Pi".*Maths Enrichment Session*, CARMA.**September 30**``Seeing things by walking on numbers."*Number Theory Session*, 57th AustMS Meeting, University of Sydney.**October 1**``Variational analysis in the presence of symmetry."*Optimization of Planet Earth Session*, 57th AustMS Meeting, University of Sydney. .**October 23**``Douglas-Rachford methods for matrix completion problems." CARMA/OCANA Seminar, University of Newcastle.**November 12**``Seeing things by walking on numbers." Google's*CS4HS*programme, University of Newcastle.**November 25-30**``Seven lectures on variational analysis." CIMPA-Unesco-India Research School on*Generalized Nash Equilibrium Problems*, Delhi University (Nov 25th-Dec 6).**December 16**``Maximum Entropy and Projection Methods for Convex and Non-convex Inverse Problems." First Keynote Lecture,*MaxEnt33*, Canberra (Dec 15-20).