(photo by Jeff Locke)
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38th Southeastern Conference, 2007 (photo by Jeff Locke) |
2022: 10th International Workshop on Signal Design and its Applications in Communications, Colchester, United Kingdom. “Constructions and restrictions for balanced splittable Hadamard matrices”.
2022: Stinson 66 — New Advances in Designs, Codes and Cryptography in celebration of Doug Stinson's 66th birthday, Toronto. “Constructions of difference sets in groups of order 4d ”.
2018: Conference on Combinatorics and its Applications in celebration of Charlie Colbourn's 65th birthday, Singapore. “New constructions of difference matrices”.
2017: IPM Combinatorics and Computing Conference 2017, Tehran, Iran. “A strong external difference family with more than two subsets”.
2016: Network Coding and Designs, Dubrovnik, Croatia. “How many mutually unbiased bases can exist in complex space of dimension d?”
2015: 39th Australasian Conference on Combinatorial Mathematics and Combinatorial Computing, Brisbane, Australia. “2048 ideas for turning combinatorial research into a game”.
2015: ALCOMA 15 — Algebraic Combinatorics and Applications, Banz, Germany. “Constructions of complex equiangular lines”.
2014: Workshop on Algebraic Design Theory and Hadamard Matrices, Lethbridge, AB. “Hadamard matrices and complex equiangular lines”.
2014: Combinatorics 2014, Gaeta, Italy. “A survey of complex equiangular lines”.
2013: International Workshop on Finite Fields Constructions of Combinatorial Arrays, Florianópolis, Brazil. “The structure of Costas arrays”.
2011: 13th IMA International Conference on Cryptography and Coding, Oxford, United Kingdom. “Emerging methods in the analysis of aperiodic autocorrelations”.
2011: Algebraic Combinatorics: in memory of Bob Liebler, Fort Collins, CO. “Emerging methods in the analysis of aperiodic autocorrelations”.
2011: Finite Geometries 3rd Irsee Conference, Irsee, Germany. “The asymptotic merit factor of binary sequences”.
2009: 2009 Colloquium on Combinatorics, Magdeburg, Germany. “A survey of Golay complementary sequences”.
2009: 6th Prairie Discrete Mathematics Workshop, Kelowna, BC. “New constructions of Golay complementary sequences”.
2009: 6th International Workshop on Coding and Cryptography, Lofthus, Norway. “New constructions of Golay complementary sequences”.
2007: 14th Canadian Undergraduate Mathematics Conference, Vancouver, BC. “Two summers of undergraduate research on the peak sidelobe level problem”.
2007: 8th International Conference on Finite Fields and their Applications, Melbourne, Australia. “What can be used instead of a Barker sequence”.
2007: International Workshop on Combinatorics 2007, Yokohama and Kyoto, Japan. “Golay complementary sequences: a multi-dimensional approach”.
2007: 38th Southeastern International Conference on Combinatorics, Graph Theory, and Computing, Boca Raton, FL. “Written on a torus or on a cylinder? An elementary proof of the Barker array conjecture”.
2007: 38th Southeastern International Conference on Combinatorics, Graph Theory, and Computing, Boca Raton, FL. “Simplification through generalisation: Constructing and enumerating Golay sequences via Golay arrays”.
2004: Sequences and their Applications 2004, Seoul, South Korea. “A survey of the merit factor problem for binary sequences”.
2003: Combinatorial Design Theory Research Workshop, DIMACS Connect Institute, Piscataway, NJ. “Designing the IEEE 802.12 transmission code”.
2001: Discrete Mathematics and its Industrial Applications, Capri, Italy. “Combinatorial design theory and the IEEE 802.12 transmission code”.
1994: 24th Manitoba Conference on Combinatorial Mathematics and Combinatorial Computing, Winnipeg, MB. “Recent results and open questions in difference sets”.
2025: 8th Workshop on Design Theory, Hadamard Matrices and Applications, Sevilla, Spain. “TBA”.
2024: Special Session on Combinatorial Designs, CMS Winter Meeting, Richmond, BC. “Combinatorial enumeration of lattice paths by flaws with respect to a linear boundary of rational slope”.
2024: Special Session on Finite Fields and Applications, CMS Winter Meeting, Richmond, BC. “Quaternary Legendre pairs of even length”.
2022: Special Session on Algebraic Combinatorics and Applications in Harmonic Analysis, AMS Fall Western Sectional Meeting, Salt Lake City, UT. “Constructions and restrictions for balanced splittable Hadamard matrices”.
2021: Special Session on Combinatorics, VI Latin American Congress of Mathematicians, online. “Perfect sequence covering arrays”.
2018: Special Session on Discrete Mathematics in Communications and Computation, CMS Winter Meeting, Vancouver, BC. “A recursive construction of linking systems of difference sets”.
2017: Special Session on Finite Algebraic Combinatorics and Applications, 2nd Mathematical Congress of the Americas, Montreal, QC. “Costas cubes”.
2017: Special Session on Theory and Application of Finite Fields, 2nd Mathematical Congress of the Americas, Montreal, QC. “A strong external difference family with more than two subsets”.
2015: Public lecture to mark 150th birthday of Jacques Hadamard, University of Queensland, Brisbane, Australia. “What is a research mathematician?”
2015: 22nd Coast Combinatorics Conference, Kailua-Kona, HI. “Complex equiangular lines and combinatorial designs”.
2014: Antalya Algebra Days XVI, Antalya, Turkey. “The structure of Costas arrays”.
2012: RICAM Workshop on Finite Fields and Their Applications: Character Sums and Polynomials, Strobl, Austria. “3-phase Golay sequence triads”.
2010: Presentation and panel discussion, CMS Winter Meeting, Vancouver, BC. “The hiring process”.
2008: Difference Sets Workshop, Houston, TX. “Beyond difference sets: aperiodic autocorrelation properties of sequences and arrays”.
2007: Core Session on Finite Combinatorics, CMS-MITACS Joint Conference 2007, Winnipeg, MB. “Bounds on the growth rate of the peak sidelobe level of binary sequences”.
2006: Ottawa-Carleton Discrete Mathematics Workshop, Carleton University, ON. “Written on a torus or on a cylinder? An elementary proof of the Barker array conjecture”.
2006: Presentation and panel discussion, PIMS Changing the Culture 2006: Teaching Mathematics for Understanding, Vancouver, BC. “Obstacles to understanding”.
2006: Invited lecture to mark the initiation of a Ph.D. program in the Faculty of Science, University of Lethbridge, AB. “Written on a torus or on a cylinder? An elementary proof of the Barker array conjecture”.
2005: Special Session on Combinatorics, CMS Winter Meeting, Victoria, BC. “Proof of the Barker array conjecture”.
2003: Special Session on Combinatorics, CMS Winter Meeting, Vancouver, BC. “Constructing binary sequences with merit factor greater than 6.34”.
2002: Gaines public lecture, University of Richmond, VA. “ ‘Only a student would try that’: How to construct binary sequences with merit factor greater than 6.34”.
2002: Gaines public lecture, University of Richmond, VA. “Career planning for Math and Computer Science majors and minors”.
2002: Combinatorial Potlatch, University of Puget Sound, WA. “Combinatorial design theory and the IEEE 802.12 transmission code”.
2001: International Meeting on Finite Geometries, Oberwolfach, Germany. “Designing the IEEE 802.12 transmission code”.
2001: 18th British Combinatorial Conference, University of Sussex, United Kingdom. “Opportunities for combinatorics graduates in industry”.
2000: MSRI Workshop on Emerging Applications of Combinatorial Designs, Berkeley, CA. “Two applications of combinatorial design theory”.
2000: MSRI-Evans public lecture, MSRI Workshop on Emerging Applications of Combinatorial Designs, University of California, Berkeley, CA. “Combinatorial design theory in an industrial research lab”.
2000: Combinatorics Colloquium, University of Reading, United Kingdom. “Combinatorics and digital communication”.
1998: International Meeting on Designs and Codes, Oberwolfach, Germany. “Golay complementary sequences and Reed-Muller codes: an unexpected connection”.
1997: Open University Colloquium on Combinatorial Designs and their Applications, Milton Keynes, United Kingdom. “Recent developments in difference sets”.
1995: R.C. Bose Memorial Conference on Statistical Design and Related Combinatorics, Fort Collins, CO. “A recursive unifying construction for difference sets”.
1994: Special Session on Codes and Designs, AMS Sectional Meeting, Richmond, VA. “Incompatible difference set contractions”.
1992: Special Session on Measurements for Network Control, Planning and Optimization, 2nd ORSA Telecommunications Conference, Boca Raton, FL. “Traffic estimation for the largest sources on a network, using packet sampling with limited storage”.
1992: Special Session on Designs and Codes, AMS Joint Mathematics Meeting, Baltimore, MD. “There is no (324, 153, 72)-difference set in ℤ22 × ℤ32 × ℤ9 or ℤ4 × ℤ32 × ℤ9”.
1997: ETSI BRAN Working Group 3 (Hiperlan Type 2), London, United Kingdom. “Options for variable rate coding in OFDM using binary, quaternary and octary modulation”.
1993: IEEE 802.3 Higher Speed Study Group, Boston, MA. “100Base-VG packet format”.
1993: IEEE 802.3 Higher Speed Study Group, Baltimore, MD. “IEEE 802 functional requirement”.
1993: IEEE 802.3 Higher Speed Study Group, Santa Clara, CA. “Error detection in 100Base-VG”.