## 2018 Seminars

## Applied and Computational Mathematics Seminars

Mon Mar 26 , 2:15pm Jingwei Hu Purdue University | Asymptotic-preserving and positivity-preserving implicit-explicit schemes for the stiff BGK equation |

Fri Mar 23 , 1:15pm Yanxiang Zhao George Washington University | Bubble Assemblies in Ternary Systems with Long Range Interaction |

Mon Feb 26 , 2:15pm Qin Li University of Wisconsin-Madison | PDE compression — asymptotic preserving, numerical homogenization and randomized solvers |

Mon Feb 19 , 2:15pm Guosheng Fu Brown University | H(div)-conforming HDG methods for the Brinkman equations |

Fri Feb 02 , 1pm Yihong Du University of New England | Propagation, diffusion and free boundaries |

Tue Jan 23 , 4:30pm Rob Stevenson University of Amsterdam | An optimal adaptive Fictitious Domain Method |

## Combinatorics Seminars

Mon Mar 26 , 4pm Aaron Dutle NASA Langley Research Center | Detecting Low Weight Circuits in Posemigroup Edge-Weighted Digraphs |

Fri Mar 02 , 2:30pm Hays Whitlatch University of South Carolina | Do These Cholesky Roots Make My Matrix Look Fat? |

Fri Feb 16 , 2:30pm László Székely University of South Carolina | An Algebraic Monte-Carlo Algorithm for the Partition Adjacency Matrix Realization Problem |

Fri Feb 09 , 2:30pm Inne Singgih University of South Carolina | Vertex magic total labelings of 2-regular graphs |

Fri Feb 02 , 2:30pm Gregory Clark University of South Carolina | A Combinatorial Description for the Coefficients of the Adjacency Characteristic Polynomial of a Hypergraph |