# Seminars 2008

IMI Seminars for 2008

- General Seminars

- Wolfgang Dahmen Special Seminar Series: High-Dimensional Approximation

- Combinatorics Seminars

- Compressed Sensing Seminars

- Computational Nanoscience and Mathematical Modeling Series

- Number Theory Seminars

- Seminars from previous years

## General Seminars

Monday, February 4:Boyan DimitrovKettering University |
"Dependence and its measuring" |

Wednesday, April 16:Theresa SparacioUniversity of South Carolina |
"Littlewood's conjecture on the lower bound L_{1} norms of exponential sums" |

Thursday, April 24:R. Bruce KelloggUniversity of South Carolina |
"Boundary layers and corner singularities" |

Thursday, May 8:Brian StraughanUniversity of Durham, UK |
"Decay bounds in a model for aggregation of microglia: application to Alzheimer's disease senile plaques" |

Thursday, October 2:Karl-Heinz BrakhageRWTH — Aachen |
"Least squares approximation and grid generation using subdivision schemes" |

Thursday, October 23:Cai WeiUniversity of North Carolina |
"Numerical Algorithms for Modeling Multi-Physics Phenomena in Biological and Engineering Systems" |

Saturday,November 22: |
"Probability and Approximation in Applications" |

## Wolfgang Dahmen Special Seminar Series

(lecture notes are available)

Wednesday, February 13:Wolfgang DahmenRWTH Aachen, Germany |
"High Dimensional Approximation - Background and Sources" |

Monday, February 18:Wolfgang DahmenRWTH Aachen, Germany |
"Concentration Inequalities, Part 1" |

Wednesday, February 20:Wolfgang DahmenRWTH Aachen, Germany |
"Concentration Inequalities, Part 2" |

Monday, February 25:Wolfgang DahmenRWTH Aachen, Germany |
"Concentration Inequalities, Part 3" |

Wednesday, February 27:Peter BinevUniversity of South Carolina |
"Sparse Occupancy Trees" |

Monday, March 3:Mauro MaggioniDuke University |
"Harmonic Analysis on data sets in high-dimensional space" |

Wednesday, March 5:Mauro MaggioniDuke University |
"Parametrizations of manifolds with heat kernels, multiscale analysis on graphs, and applications to analysis of data sets" |

Monday, March 17:Ivan YotovUniversity of Pittsburgh |
"Multiscale mortar mixed finite element methods for flow in porous media" |

Monday, March 31:Gitta KutyniokStanford University |
"L_{1}-Minimization and the Geometric Separation Problem from a Microlocal Analysis Viewpoint" |

Wednesday, April 2:Xiaoliang WanBrown University/MIT |
"Stochastic Galerkin approximations of elliptic PDEs driven by spatial white noise" |

Friday, May 16:Dominique PicardUniversité Paris VII, France |
"Thresholding and Learning Theory" |

Friday, May 16:Gerard KerkyacharianUniversité Paris VII, France |
"Denoising Radon transform using needlets" |

Thursday, October 2:Karl-Heinz BrakhageAachen-RWTH |
"Least Squares Approximation and Grid Generation using Subdivision Schemes" |

## Combinatorics Seminars

Thursday, January 24:Richard AnsteeUniversity of British Columbia, Canada |
"Some Non-simple Forbidden Configurations and Design Theory" |

Thursday, February 7:Josh CooperUniversity of South Carolina |
"Klee's Measure Problem, Multiobjective Optimization, and Monotone Boolean Functions" |

Thursday, February 14:Éva CzabarkaUniversity of South Carolina |
"Diameter of 4-colorable graphs with given minimum degree" |

Tuesday, February 19:Vladimir TemlyakovUniversity of South Carolina |
"Some problems where approximation theory meets number theory" |

Thursday, February 21:Lincoln LuUniversity of South Carolina |
"An exact result and its application on hypergraph Turan numbers" |

Thursday, March 6:Josh CooperUniversity of South Carolina |
"Symmetric and Asymptotically Symmetric Permutations, Part 1" |

Thursday, March 20:Josh CooperUniversity of South Carolina |
"Symmetric and Asymptotically Symmetric Permutations, Part 2" |

Thursday, April 3:William GasarchUniversity of Maryland |
"Grid Colorings" |

Thursday, April 10:Richard AnsteeUniversity of British Columbia, Canada |
"Some progress towards a conjectured bound for forbidden configurations" |

Thursday, April 17:Darren NarayanRochester Institute of Technology |
"Graph Representations and Extremal Sets" |

Thursday, April 24:Paul HornUniversity of California at San Diego |
"The spectral gap of a random subgraph of a graph" |

Thursday, May 1:Mark WaltersUniversity of South Carolina |
"Iterated Point-Line Configurations Grow Doubly-Exponentially" |

## Compressed Sensing Seminars

Tuesday, February 5:Stephen DilworthUniversity of South Carolina |
"Partial unconditionality for subsequences of weakly null sequences in Banach spaces" |

Tuesday, February 12:Daniel SavuUniversity of South Carolina |
"Optimization problems related to compressed sensing, Part 1" |

Tuesday, February 19:Vladimir TemlyakovUniversity of South Carolina |
"Some problems where approximation theory meets number theory" |

Tuesday, February 26:Daniel SavuUniversity of South Carolina |
"Optimization problems related to compressed sensing, Part 2" |

Tuesday, March 18:Wolfgang DahmenRWTH Aachen, Germany |
"Nearly optimal recovery techniques" |

Tuesday, April 1:Daniel SavuUniversity of South Carolina |
"Optimization problems related to compressed sensing, Part 3" |

Tuesday, April 8:Vladimir TemlyakovUniversity of South Carolina |
"Open problems in multivariate approximation" |

Tuesday, April 15:Entao LiuUniversity of South Carolina |
"Deterministic constructions of CS matrices" |

Tuesday, April 22: Vladimir Temlyakov University of South Carolina |
"Greedy approximation of characteristic functions" |

## Computational Nanoscience and Mathematical Modeling Seminar Series

Tuesday, September 9:Brandon LindleyUniversity of South Carolina |
"Shear Wave Propagation in Viscoelastic Media" |

Friday, September 19:Tianyu ZhangMontana State University |
"Phase-Field Models for Biofilm Growth and Biofilm-Flow Interactions" |

Tuesday, September 23:Eric ChoateUniversity of South Carolina |
"Linear Rheology of Nematic Liquid Crystal Polymer Solutions" |

## Number Theory Seminars

Thursday, January 31:Matt BoylanUniversity of South Carolina |
"Integer weight mock theta analogues" |

Thursday, February 7:Dan BaczkowskiUniversity of South Carolina |
"On rational numbers associated with arithmetic functions evaluated at factorials" |

Thursday, February 14:Matt BoylanUniversity of South Carolina |
"Differential operators on harmonic weak Maass forms" |

Tuesday, February 19:Frank ThorneUniversity of Wisconsin at Madison |
"Extensions of results on the distribution of primes" |

Thursday, February 28:Michael FilasetaUniversity of South Carolina |
"Diophantine Equations Arising from the Study of Galois Groups, Part 2" |

Thursday, March 20:Vsevolod LevGeorgia Tech/University of Haifa |
"Additive bases in abelian groups" |

Thursday, April 3:Karl MahlburgMIT |
"Asymptotics for partitions without sequences" |

Thursday, April 20:Hui XueClemson University |
"Central derivatives of certain L-series" |

Thursday, April 24:Jennifer LarsonUniversity of South Carolina |
"The partition function and Dyson's rank conjecture" |