2014 CMS Summer Meeting

University of Manitoba, June 6 - 9, 2014

By invitation of the Meeting Committee, there will be sessions in the following areas. The list of speakers is preliminary, and participants interested in delivering a talk in one of the sessions should contact one of the organizers of that session. All scientific sessions will take place at the Delta Winnipeg. Click Here for a Map

- Algebraic Tools and Design Theory
- Analytic methods in Diophantine equations
- Complex Analysis and Function Spaces
- Contributed Papers
- Graphs and Hypergraphs
- Gröbner Bases and Computer Algebra
- Innovation and outreach in mathematics education
- Low dimensional topology and geometric group theory
- Mathematical Biology
- Mathematics: Tools of investigation in cellular and molecular biology
- Numerical Analysis and Engineering Mathematics
- Preserver problems
- Symplectic geometry and equivariant topology
- Topics in Approximation Theory

Algebraic Tools and Design Theory | |

Org: Robert Craigen (Manitoba) | |

Saturday June 7 (Meeting Room 8, Convention Centre) | |

10:00 - 10:55 | Skype Round Table with Dane Flannery (NUI, Galway) |

11:00 - 11:25 | Ferenc Szollosi (Tohoku University), Modular Combinatorial Designs |

14:00 - 14:25 | Peter Loly (Manitoba), "Multimagic" Latin Squares |

14:30 - 14:55 | John Van Rees (Manitoba), The Relationship between (16,6,3)-BIBDs and (25,12) Binary Self-Orthogonal Codes |

16:15 - 16:40 | Hadi Kharaghani (Lethbridge) |

16:45 - 17:10 | Robert Craigen (Manitoba), Supercharging the 'Unreal' construction for Hadamard and Generalized Hadamard matrices |

Analytic methods in Diophantine equations | |

Org: Michael Coons (University of Newcastle, Austrailia) and Patrick Ingram (Colorado State University) | |

Saturday June 7 (Westminster) | |

10:00 - 10:25 | Karl Dilcher (Dalhousie), Pairs of reciprocal quadratic congruences involving primes |

10:30 - 10:55 | Wentang Kuo (Waterloo), On Erdos-Pomerance conjecture |

11:00 - 11:25 | James Parks (Lethbridge), Low-lying zeros of elliptic curve $L$-functions: Beyond the ratios conjecture |

16:15 - 16:40 | Adam Felix (Lethbridge), On invariants of elliptic curves on average |

16:45 - 17:10 | Carmen Bruni (UBC), Twisted extensions of Fermat's Last Theorem |

17:15 - 17:40 | Stephen Choi (SFU), On a Problem of Bourgain Concerning the Lp Norms of Exponential Sums |

Sunday June 8 (Westminster) | |

8:30 - 8:55 | Kevin Hare (Waterloo), Simultaneous beta-expansions |

9:00 - 9:25 | Jonas Jankauskas (Waterloo), On Littlewood Polynomials with Prescribed Number of Zeros Inside the Unit Disk |

9:30 - 9:55 | Amir Akbary (Lethbridge), On the greatest prime factor of some divisibility sequences |

Complex Analysis and Function Spaces | |

Org: Eric Schippers and Nina Zorboska (Manitoba) | |

Saturday June 7 (Campaign A) | |

10:00 - 10:25 | Oliver Roth (Universität Würzburg), The Schramm-Loewner equation for multiple slits |

10:30 - 10:55 | Richard Fournier (Dawson College), An interpolation formula for the derivative of a polynomial |

11:00 - 11:25 | Bryan Penfound (Winnipeg), Matrix vector products of the coefficients of the conformal welding maps |

14:00 - 14:25 | Nadya Askaripour (University of Cincinnati), Poincar\'e series operator on spaces of automorphic forms |

14:30 - 14:55 | Zeljko Cuckovic (University of Toledo), From the $\overline{\partial}$-Neumann operator to Axler-Zheng Theorem |

16:15 - 16:40 | Flavia Colonna (George Mason University), Norm and essential norms of weighted composition operators acting on reproducing kernel Hilbert spaces of analytic functions. |

16:45 - 17:10 | Rachel Weir (Allegheny College), Normal Weighted Composition Operators on Weighted Dirichlet Spaces |

17:15 - 17:40 | Tom Ransford (Université Laval), One-box conditions for Carleson measures for the Dirichlet space |

Sunday June 8 (Campaign A) | |

9:00 - 9:25 | Tatyana Barron (Western University), Toeplitz operators on K\"ahler and hyperk\"ahler manifolds. |

9:30 - 9:55 | David Radnell (American University of Sharjah), Determinant Line Bundles in Conformal Field Theory |

14:00 - 14:25 | Stamatis Pouliasis (Université Laval), Condenser capacity, exponential Blaschke products and universal covering maps |

14:30 - 14:55 | Oleg Ivrii (Harvard University), Lavaurs-Epstein boundary |

16:15 - 16:40 | David Minda (University of Cincinnati), Rescaling non-uniformly Lipschitz sequences |

16:45 - 17:10 | Brock Williams (Texas Tech University), Biological Applications of Conformal Invariants |

17:15 - 17:40 | Myrto Manolaki (Western), Holomorphic functions with universal Taylor series and their boundary behaviour |

Contributed Papers | |

Org: A. Bass Bagayogo (Université de Saint-Boniface) | |

Sunday June 8 (Albert) | |

8:30 - 8:55 | Abdus Sattar Mia (Saskatchewan), Conservation laws of the nonlinear two-fluid model |

9:00 - 9:25 | Marco Antonio Pérez (Québec), Relative extensions and natural transformations from disk and sphere chain complexes |

9:30 - 9:55 | M. Carol Williams (Texas Tech University), Strengthening the Mathematical Content Knowledge of In-Service Teachers |

Graphs and Hypergraphs | |

Org: David Gunderson (Manitoba), Bill Kocay (Manitoba) and Ortrud Oellermann (Winnipeg) | |

Saturday June 7 (Meeting Room 12, Convention Centre) | |

10:00 - 10:25 | Anthony Bonato (Ryerson), Independence densities of hypergraphs |

10:30 - 10:55 | Richard Brewster (Thompson Rivers University), The complexity of signed graph homomorphisms |

11:00 - 11:25 | Stephen Finbow (St. Francis Xavier), Vertex Colouring of Plane Graphs with Restrictions Given by Faces |

14:00 - 14:25 | David Pike (Memorial), Brushing without capacity restrictions |

14:30 - 14:55 | Donald L. Kreher (Michigan Tech.), Vertex-Transitive Graphs Of Prime-Squared Order Are Hamilton-Decomposable |

16:15 - 16:40 | Andrei Gagarin (Royal Holloway College), The bondage number of graphs on topological surfaces and Teschner's conjecture |

16:45 - 17:10 | Matthew Skala (Manitoba), Cycle-maximal graphs of fixed girth |

17:15 - 17:40 | Pawel Pralat (Ryerson), Power of $k$ choices in the process of generating rainbow spanning trees in random graphs |

Sunday June 8 (Meeting Room 12, Convention Centre) | |

8:00 - 8:25 | Henry Wolkowicz (Waterloo), Coordinate Shadows of Semi-definite and Euclidean Distance Matrix Completions |

8:30 - 8:55 | Shonda Gosselin (Winnipeg), Metric Dimension of circulant graphs and Cayley hypergraphs |

9:00 - 9:25 | Joy Morris (Lethbridge), The isomorphism problem for Cayley graphs |

9:30 - 9:55 | Karen Meagher (Regina), Graph Theory and the Erd\H{o}s-Ko-Rado Theorem |

14:00 - 14:25 | Kieka Mynhardt (University of Victoria), Edgeless Graphs are the Only Universal Fixers |

14:30 - 14:55 | Magaret-Ellen Messinger (Mt. Allison), Elimination Schemes and Lattices |

16:15 - 16:40 | Karen Gunderson (Heibronn Institute, University of Bristol), Time for graph bootstrap percolation |

16:45 - 17:10 | Jason Brown (Dalhousie), G-Convexity of Graphs |

17:15 - 17:40 | Jeannette Janssen (Dalhousie), Uniform linear embeddings of random graphs |

Gröbner Bases and Computer Algebra | |

Org: Murray Bremner (Saskatchewan), Jaydeep Chipalkatti (Manitoba), Sara Madariaga (Saskatchewan), R. Padmanabhan (Manitoba) and Yang Zhang (Manitoba) | |

Saturday June 7 (Campaign B) | |

10:00 - 10:35 | Greg Reid (Western), Approximate symmetry analysis |

10:40 - 11:15 | Anatoly Koryukin (Sobolev Institute of Mathematics), Gröbner-Shirshov bases of the Lie algebras $A_n^+$, $B_n^+$, $C_n^+$, $D_n^+$ |

13:45 - 14:20 | Marc Moreno Maza (Western), On Fulton's Algorithm for Computing Intersection Multiplicities in Higher Dimension |

14:25 - 15:00 | Xiangui Zhao (Manitoba), Gelfand-Kirillov dimension of modules over differential difference algebras |

16:15 - 16:50 | William Sit (The City College of The City University of New York), On Rota's Problem, Differential Type and Rota-Baxter Type Algebras |

17:00 - 17:35 | Sara Madariaga (University of Saskatchewan), Jordan quadruple systems |

Sunday June 8 (Campaign B) | |

8:45 - 9:20 | Xuan Liu (Western), Algorithms for finding Lie superalgebra structure of regular super differential equations |

9:25 - 10:00 | Michael Monagan (SFU) |

13:45 - 14:20 | Hossein Iraghi Moghaddam (Manitoba), On Semigroups admitting Commutators or Conjugates |

14:25 - 15:00 | R. Padmanabhan (Manitoba), Algebra and Geometry with Computers |

16:15 - 16:50 | J.D. Phillips (Northern Michigan University), On Bruck Loops |

17:00 - 17:35 | Michael Kinyon (University of Denver), Loop Theory and Automated Deduction |

Monday June 9 (Campaign B) | |

8:30 - 9:30 | Yuqun Chen (School of Mathematical Sciences, South China Normal University), Gr\"{o}bner-Shirshov bases for semirings |

Innovation and outreach in mathematics education | |

Org: Darja Kalajdzievska (University of Manitoba) and Anna Stokke (University of Winnipeg) | |

Saturday June 7 (Strathcona) | |

10:00 - 10:25 | Sherry Mantyka (Memorial), Developing Automatic Recall of Basic Skills in Mathematics |

10:30 - 10:55 | Mile Krajcevski (University of South Florida), Challenges with using visual representations in undergraduate mathematics |

11:00 - 11:25 | Darja Kalajdzievska (Manitoba), Taking Math Students from 'Blah' to 'Aha': What Can We Do? |

14:00 - 14:25 | Bryan Penfound (Winnipeg), The Flipped Classroom Model in Post-Secondary Education |

14:30 - 14:55 | David Leeming (Victoria), The Math Mania Outreach Program |

16:15 - 16:40 | Stephen Wilson (Johns Hopkins), Textbooks and real world problems |

16:45 - 17:10 | Rossitza Marinova (Concordia), Increasing the Appreciation of Mathematics in Canada through the Canadian Math Kangaroo Contest |

17:15 - 17:40 | Miroslav Lovric (McMaster), Advanced Math Problem-Solving Course at McMaster |

Sunday June 8 (Strathcona) | |

8:00 - 8:25 | Anna Stokke (Winnipeg), Math outreach in Manitoba |

9:00 - 9:25 | Malgorzata Dubiel (SFU), Remedial Flipped |

9:30 - 9:55 | R. Padmanabhan (Manitoba), Mathematical Hobbies for the iGeneration |

14:00 - 14:25 | Gerda de Vries (Alberta), Hands-On-Heads-On Activities for the Discovery of Mathematics in Elementary Schools |

14:30 - 14:55 | Tara Taylor (St Francis Xavier), Mathematical Variations on Woven Figure Eights |

16:15 - 16:40 | Roberta LaHaye (Mount Royal), Integrating Mathematics and Art for Pre-Service Elementary Teachers |

16:45 - 17:10 | Pamini Thangarajah (Mount Royal), Mathematics Minor for Elementary Education at MRU: An Innovative Collaboration with Education |

Low dimensional topology and geometric group theory | |

Org: Adam Clay (Manitoba), Eduardo Martínez-Pedroza (Memorial) and Dale Rolfsen (UBC) | |

Saturday June 7 (Meeting Room 11, Convention Centre) | |

10:00 - 10:25 | Maxime Bergeron (British Columbia), The Topology of Representation Spaces |

10:30 - 10:55 | Khalid Bou-Rabee (University of Minnesota - Twin Cities), Full residual finiteness growths of nilpotent groups |

11:00 - 11:25 | Inna Bumagin (Carleton), Free Lyndon length functions and CAT(0) spaces |

14:00 - 14:25 | Adam Clay (Manitoba), Bi-orderability of fundamental groups of $3$-manifolds |

14:30 - 14:55 | Spencer Dowdall (University of Illinois at Urbana-Champaign), Fibrations and polynomial invariants for free-by-cyclic groups |

16:15 - 16:40 | Jonathan Lemaire-Beaucage (Université du Québec à Montréal), Left-orderability of the fundamental group of the double branched cover of links |

16:45 - 17:10 | Daniel Woodhouse (McGill), Virtually Special Tubular Groups |

Sunday June 8 (Meeting Room 11, Convention Centre) | |

8:30 - 8:55 | Tali Pinsky (British Columbia), Geodesics on Surfaces, as Knots. |

9:00 - 9:25 | Christopher Cappadocia (McMaster), Weak hyperbolic dimension of metric spaces |

9:30 - 9:55 | Jenny Wilson (University of Chicago), Stability phenomena for sequences of representations of the classical Weyl groups and topological applications |

Mathematical Biology | |

Org: Abba Gumel (Manitoba) | |

Saturday June 7 (Meeting Room 13) | |

10:00 - 10:25 | Junling Ma (Victoria), Modeling SIS disease dynamics on random contact networks |

10:30 - 10:55 | Dessalegn Melesse (Manitoba), Understanding heterogeneity in HIV transmission dynamics among high risk populations: a mathematical modeling approach |

11:00 - 11:25 | Cameron Browne (Vaderbilt University), A Nosocomial Epidemic Model with Room Contamination |

14:00 - 14:55 | Thomas Hillen (Alberta), Mathematical Modelling with Fully Anisotropic Diffusion |

16:15 - 16:40 | Ahmed Abdelrazec (York), Spread and control of dengue with limited public health resources |

16:45 - 17:10 | Fereshteh Nazari (Manitoba) |

17:15 - 17:40 | Sanling Yuan (University of Shanghai), Dynamics of a stochastic model for algal bloom with and without distributed delay |

Sunday June 8 (Meeting Room 13) | |

8:00 - 8:25 | Gerda de Vries (Alberta), Formation of Animal Groups: The Importance of Communication |

8:30 - 8:55 | Michael Yodzis (Guelph), Dynamics of Pollution-induced Illnesses in Fishing Communities, with Social Feedbacks |

9:00 - 9:25 | Ali Javame (Manitoba), Role of Pap Screening on HPV Transmission Dynamics |

9:30 - 9:55 | Zhipeng Qiu (Nanjing University / York), Complex dynamics of a nutrient-plankton system with nonlinear phytoplankton morality and allelopathy |

14:00 - 14:55 | Huaiping Zhu (York), Modeling and forecasting of West Nile virus |

Mathematics: Tools of investigation in cellular and molecular biology | |

Org: Eric Cytrynbaum (UBC) and Stephanie Portet (Manitoba) | |

Saturday June 7 (Kildonan) | |

10:00 - 10:25 | Adriana Dawes (Ohio State University), EGF and Notch signalling in Caenorhabditis vulval development |

10:30 - 10:55 | Aidan Brown (Dalhousie), Ubiquitin and adaptor protein dynamics on mammalian peroxisome membranes |

11:00 - 11:25 | Stephanie Portet (Manitoba), Modelling intermediate filaments |

14:00 - 14:25 | Eric Cytrynbaum (UBC), Estimating the bending modulus of a FtsZ bacterial-division protein filament |

14:30 - 14:55 | Blerta Shtylla (Pomona College, CA), Mathematical models of force generation at the cellular nanoscale: interplay of protein flexibility and diffusion. |

16:15 - 16:40 | Alexandra Jikine (University of Notre Dame, IN), An interlocked feed-forward loop circuit can explain the phenotypic heterogeneity of fat-cell differentiation. |

16:45 - 17:10 | Francis Lin (Manitoba), Studying Directed Cell Migration Using Microfluidic Devices and Quantitative Modelling |

Numerical Analysis and Engineering Mathematics | |

Org: A. Bass Bagayogo (Université de Saint-Boniface) | |

Saturday June 7 (Meeting Room 9, Convention Centre) | |

10:30 - 10:55 | Sherif S. Sherif (Manitoba), Super-resolution in Optical Imaging |

Sunday June 8 (Meeting Room 9, Convention Centre) | |

14:00 - 14:25 | Zahra Moussavi (Manitoba) |

Monday June 9 (Meeting Room 9, Convention Centre) | |

9:00 - 9:25 | Vladimir Okhmatovski (Manitoba), A Well-Conditioned Non-Iterative Approach to Solution of the Inverse Problem |

Preserver problems | |

Org: Chi-Kwong Li (College of William and Mary), Shaun Lui (Manitoba) and Yiu-Tung Poon (Iowa State University) | |

Saturday June 7 (Victoria) | |

10:00 - 10:25 | Peter Semrl (University of Ljubljana), Invertibility preservers |

10:30 - 10:55 | Lajos Molnar (University of Debrecen), Transformations on density operators preserving quantum relative entropy or related quantities |

11:00 - 11:25 | Edward Poon (Embry-Riddle Aeronautical University), Preserving entangled states |

14:00 - 14:25 | Nathaniel Johnston (Waterloo), Preservers of Unextendible Product Bases and the Local Distinguishability of Quantum States |

14:30 - 14:55 | Antonia Duffner (University of Lisbon), Preservers and converters of immanant functions |

16:15 - 16:40 | Mohamed Bendaoud (Moulay Ismail University), Local spectra-preserving nonlinear transformations on operators |

16:45 - 17:10 | Marko Orel (University of Primorska), Preserver Problems and Graph Theory |

17:15 - 17:40 | Yiu-Tung Poon (Iowa State University), Pseudospectra of special operators and Pseudosectrum preservers |

Sunday June 8 (Victoria) | |

8:00 - 8:25 | Chi-Kwong Li (College of William and Mary), Preservers on tensor product of matrices and vectors |

8:30 - 8:55 | Ming Cheng Tsai (University of Sun Yat-Sen), Preserver problems on convex combinations of positive elements |

Symplectic geometry and equivariant topology | |

Org: Thomas Baird (Memorial) and Derek Krepski (Manitoba) | |

Saturday June 7 (Meeting Room 10, Convention Centre) | |

10:00 - 10:25 | Jonathan Fisher (Toronto), Quivers and Higgs bundles |

10:30 - 10:55 | Peter Crooks (Toronto), The Torus-Equivariant Cohomology of Nilpotent Orbits in Semisimple Lie Algebras |

11:00 - 11:25 | Lisa Jeffrey (Toronto), Intersection cohomology of universal imploded cross-section |

14:00 - 14:25 | Matthias Franz (Western), Big polygon spaces produce maximal syzygies in equivariant cohomology |

14:30 - 14:55 | Soumen Sarkar (Regina), Complex cobordism of quasitoric orbifolds |

16:15 - 16:40 | Dan Ramras (Indiana University-Purdue University Indianapolis), Moduli spaces of representations |

16:45 - 17:10 | Maxime Bergeron (University of British Columbia), Kempf-Ness Theory and Character Varieties |

17:15 - 17:40 | Eric Harper (McMaster), SU(N) Casson-Lin invariants for links in $S^3$ |

Sunday June 8 (Meeting Room 10, Convention Centre) | |

9:00 - 9:25 | Sean Fitzpatrick (Western University), Higher rank Boothby-Wang fibrations |

9:30 - 9:55 | Jordan Watts (University of Illinois at Urbana-Champaign), Coarse Moduli Spaces of Stacks over Manifolds |

14:00 - 14:25 | Marco Gualtieri (Toronto), Log affine manifolds and symplectic geometry |

14:30 - 14:55 | Brent Pym (Oxford University), Categorified isomonodromic deformations via Lie groupoids |

16:15 - 16:40 | Ruxandra Moraru (Waterloo), Generalized holomorphic bundles, Part I |

16:45 - 17:10 | Shengda Hu (Laurier), Generalized holomorphic bundles, Part II |

17:15 - 17:40 | Yanli Song (Toronto), The Cubic Dirac Operator and Geometric Quantization |

Topics in Approximation Theory | |

Org: Kirill Kopotun and Andriy Prymak (Manitoba) | |

Saturday June 7 (Albert) | |

10:00 - 10:25 | Zeev Ditzian (Alberta), Measure of smoothness on the unit ball |

10:30 - 10:55 | Alexei Shadrin (University of Cambridge, Cambridge, United Kingdom), Stable reconstruction from Fourier samples |

11:00 - 11:25 | Andriy Bondarenko (National Taras Shevchenko University of Kyiv, Ukraine), On Borsuk's conjecture |

14:00 - 14:25 | Oleksandr Maizlish (Manitoba), Adaptive Triangulations |

14:30 - 14:55 | Oleksiy Klurman (Montreal), Weighted Bernstein and Markov-Nikolskii type inequalities for monotone polynomials of order k |

16:15 - 16:40 | German Dzyubenko (Institute of Mathematics, National Academy of Sciences of Ukraine, Kyiv, Ukraine), Nearly comonotone approximation of periodic functions |

16:45 - 17:10 | Igor Shevchuk (National Taras Shevchenko University of Kyiv, Ukraine), On the approximation with Jacobi weights |

17:15 - 17:40 | Oxana Motorna (National Taras Shevchenko University of Kyiv, Ukraine), On the approximation with Jacobi weights |