Event Categories

Nov 28 3:00 pm
The Dynamics of Particles with LigandReceptor Contacts
Miranda HolmesCerfon (UBC Dept. of Mathematics) IAM SeminarOne way to glue objects together at the nanoscale or microscale is by ligandreceptor interactions, in which short, sticky hairlike ligands stick to...
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Nov 21 3:00 pm LSK 306
Attractors for Internal Waves in Stratified Fluids: A NumericalAnalysis Viewpoint
Nilima Nigam, SFU Mathematics IAM SeminarThe propagation of internal gravity waves in stratified media (such as those found in ocean basins and lakes) leads to the development of...
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Nov 16 3:00 pm LSK 306
An Introduction to ConvexComposite Optimization
James Burke, University of Washington Mathematics IAM SeminarConvexcomposite optimization concerns the optimization of functions that can be written as the composition of a convex function and a smooth function. Such...
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Nov 14 3:00 pm LSK 306
Analytical and Numerical Treatment of Molecular Integrals: The Case of the ThreeCenter Nuclear Attraction
Hassan Safouhi, University of Alberta IAM SeminarRefreshments at 2:30, preceding the talk.
It is well known that in any ab initio molecular orbital (MO) calculation, the major task involves the...
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Oct 17 3:30 pm LSK 306
Mechanics of DiffusionMediated Budding and Implications for Virus Replication and Infection
Mattia Bacca (Mechanical Engineering, UBC) IAM SeminarBudding allows virus replication and macromolecular secretion in cells. It involves the formation of a bud, i.e. an outgrowth from the cell membrane...
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Aug 22 3:00 pm
Tensor Decompositions, Xrank, and Flexible Activation Functions
Konstantin Usevich (Centre de Recherche en Automatique de Nancy) IAM SeminarThis talk will start with an overview of tensor decompositions. For higherorder tensors, there are several generalizations of the matrix rank. I will...
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Aug 9 3:00 pm LSK 306
Generative Networks for Inverse Problems without GroundTruth Data
Oscar Leong (Caltech Dept. of Computing and Mathematical Sciences) IAM SeminarWe consider solving illposed imaging inverse problems under a generic forward model. Because of the illposedness present in such problems, prior models that...
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Apr 4 3:00 pm Zoom
On the Edge: Sharp Treatment of Free Boundary Problems and Applications
Frederic Gibou (U.C. Santa Barbara) IAM SeminarMost modern problems in science and engineering are described on irregular geometries or free boundaries that are notoriously difficult to handle...
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Mar 14 3:00 pm
Bidders’ Informedness and Selective Entry in FirstPrice Auctions
Vadim Marmer (Vancouver School of Economics, UBC) IAM SeminarI will present a study (done with Jun Ma of Renmin University of China and Pai Xu of the University of...
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Feb 28 3:00 pm
Electronic Structure of Incommensurate 2D Heterostructures with Mechanical Relaxation
Daniel Massatt (Statistics, University of Chicago) IAM SeminarSince their discovery by Geim, 2D heterostructures have become a hotbed of research due to their novel structure. Stacking varying materials on... Read More 
Feb 7 10:00 am
Theoretical studies of nonautonomous reactiondiffusion systems: The effects of domain growth and crossdiffusion
Anotida Madzvamuse (Mathematical and Computational Biology, Univ. of Sussex) IAM SeminarIn this talk, I will present generalised systems of nonautonomous reactiondiffusion equations posed on growing domains. Under suitable assumptions on the evolution law...
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Jan 31 3:00 pm
Linear and Sublinear Time Spectral Density Estimation
Christopher Musco (Computer Science and Engineering, NYU Tandon School of Engineering) IAM SeminarI will discuss new work on practically popular algorithmsincluding the kernel polynomial method (KPM) and moment matching methodfor approximating the spectral
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Nov 29 3:00 pm LSK 306
Geometric and TransportBased Methods for CryoEM Studies and Biological Shape Analysis
Khanh Dao Duc (UBC Mathematics) IAM SeminarCryogenic electron microscopy (cryoEM) has come into wide use in the past few years for finding the 3D structure of biomolecules and identifying...
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Nov 1 3:00 pm LSK 306
HighFidelity and DataDriven Modeling of FluidSolid Interfaces: An Overview
Rajeev Jaiman (UBC Mechanical Engineering) IAM SeminarIn this talk, I will review some of our ongoing activities around highfidelity and lowdimensional datadriven modeling of multiphysics interfaces, with a particular...
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Sep 27 3:00 pm LSK 306
LargeScale Sparse Precision Matrix Estimation
Aryan Eftekhari (Università della Svizzera italiana) IAM SeminarThe L1regularized Gaussian maximum likelihood method is a common approach for sparse precision matrix estimation but one...
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Sep 20 3:00 pm LSK 306
This talk will provide a panoramic view of the increasingly important role that abstract mathematics — geometry and topology in particular — is...
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Apr 12 3:00 pm Zoom
The lifetime visual exposure of an adult observer contains statistical regularities across a diverse hierarchy of image properties. From canonical retinal sizes and...
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Mar 22 3:00 pm ZoomAdvanced multivariable controllers are widely used in process and other industries. However, such controllers require regular maintenance to sustain acceptable closed loop... Read More

Mar 15 3:00 pm
Blessings and Curses of Overparameterization: A Precise Highdimensional Approach
Christos Thrampoulidis IAM SeminarStateoftheart deep neural networks generalize well, despite being exceedingly overparameterized and trained without explicit regularization. Understanding the principles behind this phenomenon —termed benign...
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Mar 8 3:00 pm
Probabilistic Model Summaries for Efficient Bayesian Inference
Trevor Campbell (Statistics) IAM SeminarThis talk will cover recent work on Bayesian coresets ("core of a dataset"), a methodology for statistical inference via data compression. Coresets achieve...
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Feb 22 3:00 pm Zoom
In the 1990s, Border proposed succinct representations of Bayesian auctions in terms of interim allocation rules, describing each agent's allocation in expectation over...
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Feb 1 3:00 pm Zoom
This talk provides a highlevel overview of some of my research experiences in the field of optimization. The talk with be largely nontechnical,...
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Jan 18 4:00 pm Zoom
The signal demixing problem seeks to separate the superposition of multiple signals into its constituent components. I will describe a geometric view of...
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Nov 23 3:00 pmDecisionmaking in multiagent systems arises in engineeringapplications ranging from electricity markets to communication and transportation networks. I discuss decisionmaking of multiple players with... Read More

Nov 2 3:00 pm Zoom
Identifying causal relationships between random variables from observational data is an important problem in many areas of data science. The presence of hidden variables,...
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Oct 19 3:00 pm
The mammalian hippocampus, composed of serially connected subfields, participates in a variety of functions involving memory. It has been postulated that parallel circuitry...
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Oct 5 3:00 pmLoosely speaking, an integer program (IP) becomes simpler if we relax some of the constraints that... Read More

Sep 21 3:00 pm Zoom
Towards a mathematical theory of developmental biology
Geoff Schiebinger, UBC Department of Mathematics IAM SeminarTowards a mathematical theory of developmental biology:
Analyzing developmental processes with optimal transportThis talk focuses on estimating temporal couplings of stochastic processes with optimal...
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Jun 17 3:00 pm LSK 306
Acceleration of linearly convergent firstorder methods without the knowledge of error bound condition number
Zheng Qu, University of Hong Kong IAM SeminarMany popular algorithms in convex optimization exhibit linear convergence behaviour when applied on problems arising from the context of machine learning and signal...
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Mar 21 12:30 pm ESB 4133
Minimal Sublinear Representations of Convex Sets
Amitabh Basu, John's Hopkins University IAM SeminarIt is wellknown that a closed convex set C containing the origin in its interior can be represented as the 1sublevel set of...
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Mar 19 3:30 pm ESB 4133
Cutting plane techniques are key to solving large scale optimization problems with mixedinteger variables. Modern approaches to cutting plane theory shows that the...
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Mar 22 7:30 pm
Speaker: Saverio E. Spagnolie, University of WisconsinMadison
URL for Speaker: http://www.math.wisc.edu/~spagnolie/
Location: ESB 4133
Intended Audience: Public
The deformation and transport of...
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Mar 21 10:00 pm
Speaker: James B. Rawlings, Chemical and Biological Engineering, WisconsinMadison
URL for Speaker: http://jbrwww.che.wisc.edu/
Location: LSK 460
Intended Audience: Public
This seminar provides...
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Nov 23 11:00 pm
Optimal Residual and the Leaky Bucket
IAM SeminarSpeaker: Rob Corless, Western University, Applied Mathematics
URL for Speaker: http://www.apmaths.uwo.ca/~rcorless/
Location: ESB 2012
Intended Audience: Public
The numerical solution of ordinary...
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Nov 24 11:00 pm
IAM Problem Solving Session
IAM SeminarLocation: LSK 460
Intended Audience: IAM members
This is an event put together by Michael Ward and Jimmy Feng. It is a trial...
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Nov 14 11:00 pm
Speaker: Martin Oberlack, TU Darmstadt, Department of Mechanical Engineering
URL for Speaker: http://www.fdy.tudarmstadt.de/fdy/mitarbeiter_20/mitarbeiterdetails_16448.en.js...
Location: ESB 2012
Intended Audience: Public
It has long...
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Sep 22 10:00 pm
Speaker: John Stockie
URL for Speaker: http://people.math.sfu.ca/~stockie/
Location: LSK 460
Intended Audience: Public
Industrial mathematics is a field that spans a broad...
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Jan 13 11:00 pm
Speaker: Miranda HolmesCerfon, Courant Institute
URL for Speaker: http://cims.nyu.edu/~holmes/
Location: LSK 460
Intended Audience: IAM members
Local Contact:Leah Keshet
Nature has solved the...
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Oct 7 10:00 pm
Speaker: Ian Mitchell
URL for Speaker: http://www.cs.ubc.ca/~mitchell/
Location: LSK 460
Intended Audience: IAM members
Local Contact:Brian Wetton
A DC operating point is an...
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Sep 23 10:00 pm
An informal introduction to rigorous computing
IAM SeminarSpeaker: JF Williams
URL for Speaker: http://www.math.sfu.ca/people/staff/faculty/jf_williams
Location: LSK 460
Intended Audience: IAM members
Local Contact:Brian Wetton
This talk will present the under...
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Feb 25 11:00 pm
Adventures in Celestial Mechanics
IAM SeminarSpeaker: Prof. Brett Gladman, Department of Physics & Astronomy, UBC
URL for Speaker: https://www.phas.ubc.ca/users/brettgladman
Location: LSK 460
Intended Audience: Public
I will...
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Jan 28 11:00 pm
On a Few Puzzles in Interfacial Fluid Mechanics
IAM SeminarSpeaker: Asst. Prof. Rouslan Krechetnikov, Department of Mechanical Engineering, University of California, Santa Barbara
URL for Speaker: http://www.engineering.ucsb.edu/~rkrechetlab/files/people/PI/index.html
Location: LSK 460
...
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Jan 21 11:00 pm
Speaker: Prof. Eliot Fried, Mechanical Engineering, McGill University, Montreal, Quebec
URL for Speaker: http://www.mcgill.ca/mecheng/staff/eliotfried
Location: LSK 460
Intended Audience: Public
We reformulate...
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Jan 14 11:00 pm
Speaker: Prof. Margot Gerritsen, Energy Resources Engineering, Stanford University, Stanford
URL for Speaker: http://margot.stanford.edu/
Location: LSK 460
Intended Audience: Public
We all...
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Sep 24 10:00 pm
Speaker: Nir Sochen, Department of Applied Mathematics, University of TelAviv
URL for Speaker: http://www.math.tau.ac.il/~sochen/
Location: LSK 460
In signal processing there is...
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Sep 17 10:00 pm
Speaker: Prof. James J. Feng, Department of ChBE, Department of Mathematics, UBC
URL for Speaker: http://www.math.ubc.ca/~jfeng/
Location: LSK 460
Intended Audience: ...
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