Higher Dimensional Lattice Walks: Connecting Combinatorial and Analytic Behavior 41ACCMCC, Rotorua, 2018-12-13.

ACSV:help wanted from computer algebra(ists) (with accompanying Sage worksheet) ICMS2018, Notre Dame University, 2018-07-27.

Some topics in network science Department of Mathematics and Statistics Colloquium, University of Massachusetts Amherst, 2017-11-27.

ACSV:help wanted from computer algebra(ists) (with accompanying Sage worksheet) Workshop on Computer Algebra in Combinatorics, Erwin Schroedinger Institute Vienna, 2017-11-14.

New algorithms for one-sided matching Department of Computer Science, Mt Holyoke College, 2017-09-08; UMass Amherst Mathematics and Statistics, 2017-11-28.

Asymptotics via multivariate generating functions Colloquium, Department of Mathematics and Statistics, University of Massachusetts Amherst, 2017-09-07.

Overview of current research for CMSS CMSS day, Auckland, 2017-02-25.

Lattice path asymptotics via Analytic Combinatorics in Several Variables Algebra/Number Theory/Combinatorics seminar, Claremont Colleges, 2016-12-06.

Binary optimization models for computing the frustration index in signed graphs ORSNZ conference, Auckland, 2016-11-29.

Distance-based aggregation rules IMBS Seminar, UC Irvine, 2016-10-07.

Electoral engineering - simulating vote distributions INFORMS International, Kona, Hawaii, 2016-06-15.

Average-case analysis of random assignment algorithms CMSS Seminar, Auckland, 2016-05-02.

The wisdom of networked crowds CMSS Summer Workshop, Auckland, 2016-02-20.

Lattice path asymptotics via Analytic Combinatorics in Several Variables NZ Mathematics Colloquium, Christchurch, 2015-12-03.

Predicting FPP elections University of Auckland CMSS Seminar, 2015-10-06.

Lattice path asymptotics via Analytic Combinatorics in Several Variables CANADAM 2015, Saskatoon, 2015-06-01.

Where are the best parliamentary election methods? CSD Lunchtime Seminar, UC Irvine, 2015-02-23.

Experimental study of belief diffusion CMSS Summer Workshop, Auckland, 2014-12-09.

Analytic Combinatorics in Several Variables 38ACCMCC, Wellington, 2014-12-05.

Overview of CMSS COMPASS, 2014-09-12.

Iterated regret minimization for voting games COMSOC 2014 Pittsburgh, 2014-06-25.

Analytic Combinatorics in Several Variables AEC Sommerschool 2014 Hagenberg, 2014-08-18 to 2014-08-22 (5 lectures).

Distance rationalization of anonymous and homogeneous voting rules Society for Social Choice and Welfare biennial meeting Boston, 2014-06-20.

Experimental study of influence in social networks University of Auckland CMSS Seminar, 2014-05-20.

Asymptotics of multivariate generating functions University of Auckland Mathematics Colloquium, 2014-03-06.

Welfare implications of strategic voting University of Auckland CMSS summer workshop, 2013-12-11.

Distance rationalization of voting rules University of Auckland CMSS seminar, 2013-08-20.

Diagonal asymptotics for products of combinatorial classes AofA2013, Menorca, 2013-05-30.

Electoral engineering via simulation University of California Davis Political Science Department seminar, 2013-05-22; University of California Irvine IMBS Seminar, 2013-04-26.

Some probabilistic questions in social choice University of California Berkeley Probability Seminar, 2013-04-03.

Diffusion models on social networks University of Auckland CMSS summer workshop, 2013-03-22.

MMP Review Submission University of Auckland CMSS Seminar, 2012-09-25.

Coordination via Polling in Plurality Voting Games under Inertia COMSOC 2012 Krakow, 2012-09-13.

Power measures derived from the sequential query process University of Auckland CMSS Summer Workshop, 2012-02-21.

The Mathematics of Elections University of Auckland CULMS/CMCT Lecture, 2011-10-18.

2011 referendum simulator University of Auckland CMSS Seminar (with G. Pritchard), 2011-08-23.

Power, decisiveness, values University of Auckland CMSS Seminar, 2010-10-20.

Dynamics of voting games: preliminary report University of Auckland CMSS Summer Workshop, 2010-12-19.

What is computational social choice? University of Auckland Computer Science Seminar, 2010-10-20.

The probability of safe manipulation CMSS seminar, University of Auckland, 2010-08-25; COMSOC 2010, Dusseldorf, 2010-09-10.

A measure of the difficulty of manipulation of voting rules AAGTSC2010, University of Auckland, 2010-02-18.

Measuring the manipulability of voting rules University of Rochester Theory CANAL seminar, 2009-11-16; Union College Mathematics Department, 2009-11-18.

Higher order asymptotics from multivariate generating functions University of Pennsylvania Combinatorics and Probability Seminar, 2009-11-10; Rutgers Experimental Mathematics Seminar, 2009-11-19.

Asymptotics of coefficients of multivariate generating functions Workshop in Asymptotic Enumeration, ANU, Canberra, 2007-09-{10-14}.

Polytope computations in social choice theory Auckland Discrete Mathematics and Social Sciences Seminar 2007-04-23.

The diameter of random Cayley graphs 12th AofA workshop Alden Biesen 2006-07-06

Asymptotics of generalized Riordan arrays 11th AofA workshop Barcelona 2005-06-08

Multivariate generating functions II CDMTCS seminar Auckland 2005-04-26

Multivariate generating functions I CDMTCS seminar Auckland 2005-04-12

Sattolo's algorithm INRIA Rocquencourt 2004-06-28

Towards a theory of multivariate generating functions INRIA Rocquencourt 2004-06-28

Asymptotics of multivariate generating functions Melbourne FPSAC conference 2002-07-?

Superalgebras and their uses University of Montana, Missoula 1999-03-09

Primitive ideals in Hopf algebra extensions San Antonio AMS annual meeting 1999-01-14

Algebras of my acquaintance Auckland 1998-04-29

Last updated: 2017-03-14.