**Times:** Tuesdays 4--5pm.

**Location:** Cockins Hall 240. Map.

**Contact:** The seminar is currently organized by Matthew Kahle and Facundo Mémoli. Feel free to write to us if you have suggestions for speakers.

Sept. 15 | Sanjeevi Krishnan (OSU). | The Directed Topology of Sensor Networks |

Oct. 6 | Dena Asta (OSU). | Geometric Approaches to Inference: Non-Euclidean Data and Networks. |

Oct. 13 | Joe Anderson (OSU). | Heavy-Tailed Independent Component Analysis |

Nov. 10 | Krystal Taylor (OSU). | Geometry and fractal sets |

Nov. 17 | José Perea (MSU). | Projective coordinates for the analysis of data |

Nov. 16 to Nov. 20 | José Perea (MSU). | Mini course on TDA |

Jan. 19--23 | No seminar. | |

Jan. 29 at CH 240 (Special Date and Venue) | Konstantin Mischaikov (Rutgers). | A Database of Dynamic Signatures for Switching. |

Feb. 2--6 | No seminar. | |

Feb. 9--13 | No seminar.. | |

Feb. 17th | Carina Curto (PSU) | Topological and algebraic approaches to the analysis of neural data. |

Feb. 24th | Mickaël Buchet. | Using the distance to a measure to efficiently handle noise in homology inference. |

Mar. 6th | No seminar. | |

Mar. 9, 4--5.30pm -- Journalism Bldg 371. | Justin Curry (Duke). | Sheaves as a Foundation for Persistence. Talk I of Mini-course: Sheaves, Cosheaves and Applications. |

Mar. 10, 4--5pm -- Journalism Bldg 295. | Justin Curry (Duke). | Understanding the Interleaving Distance for Sheaves. Talk II of Mini-course: Sheaves, Cosheaves and Applications. |

Mar. 13, 3--4pm -- MW 154. | Justin Curry (Duke). | Open Problems and Higher Categories in Persistence. Talk III of Mini-course: Sheaves, Cosheaves and Applications. |

Mar. 17th | No seminar | |

Mar. 24th | Katherine Turner (UChicago). | Reconstruction of compact sets using cone fields. |

Mar. 31st | Dejan Slepcev (CMU). | Variational problems on graphs and their continuum limits. |

Apr. 7th | TBA. | |

Apr. 14th | Dmitriy Morozov. | Computing Topology in Parallel. |

Apr. 21st | TBA. |

Sep. 23 | Facundo Mémoli. (OSU) | The classification of clustering methods (part 1). |

Sep. 29 | Facundo Mémoli. (OSU) | The classification of clustering methods (part 2). |

Oct. 7 | No Seminar | |

Oct. 14 | Matthew Kahle (OSU) | The length of the longest bar in random persistent homology. |

Oct. 21 | Greg Malen (OSU). | Random Graph Homomorphism Complexes. |

Oct. 29 | No seminar. | |

Nov. 4 | Larry Wasserman (CMU). | Statistical Inference for Topology. |

Nov. 11 | No seminar. | |

Nov. 18 | Dan Brake (Notre Dame). | Numerically decomposing algebraic surfaces with an infinite number of singularities. |

Nov. 25 | Dan Burghelea (OSU). | Topological novelty in "persistence" for angle valued map. (Jordan cells, and methods for their calculation). |

Dec. 2 | Dan Thompson (OSU) | Topological pressure and the detection of structure in long finite sequences. |

Jan. 10 | Ulrich Bauer. | The Morse theory of Cech and Delaunay filtrations. |

Jan. 24 | Yusu Wang. | Laplace operator from Discrete Samples and Applications. |

Jan. 27 | Dan Burghelea. | Level persistence revisited (an alternative perspective and new results). |

Feb. 7 | Facundo Mémoli. | Spectral similarity of shapes. |

Feb. 14 | David Sivakoff | Deterministic percolation from random initial seeds. |

Feb. 21 | Anastasios Sidiropoulos. | Topological simplification from random embeddings. |

Feb. 28 | Amit Patel. | Persistent Sheaves. |

Mar. 28 | Misha Belkin. | The Hidden Convexity of Spectral Clustering. |

Apr. 4 | Luis Rademacher. | The More, the Merrier: the Blessing of Dimensionality for Learning Large Gaussian Mixtures. |

Apr. 11 | Liz Munch. | A distance measure on Reeb graphs. |

Apr. 18 | Vin deSilva. | Lipschitz extensions and higher-order metric certificates. |

Apr. 23 | Gunnar Carlsson. | The topology of finite metric spaces. (Talk will be on Wednesday April 23rd, 2--3pm, in CH 240.) |

May 2 | Pawel Dlotko. | Discrete Morse Theory and Persistent Homology. |

Sept. 13 | Matthew Kahle. | Introduction to Random Topology (part 1). |

Sept. 20 | Matthew Kahle. | Introduction to Random Topology (part 2). |

Oct. 04 | Tamal Dey. | Simplicial complexes and their sparsification for topological data analysis. |

Oct. 18 | Sanjeevi Krishnan. | Directed Poincare duality. |

Oct. 25 | Vidit Nanda. | Discrete Morse theory for computing homology groups. |

Nov. 15 | Peter Bubenik. | A central limit theorem for topology. |

Nov. 22 | Matthew Wright. | Hadwiger integration and applications. |