IEEE Workshop on Topological Data Analysis and Visualization
in conjunction with IEEE VIS 2022, Oklahoma City, USA


Monday, October 17, 2022 (US Central Time, UTC-5)

Venue: Level Two of the Omni Oklahoma City Hotel, Oklahoma Station 6

2:00pm – 2:05pm Opening Remarks
2:05pm – 3:00pm

Keynote Presentation

Title TBA

Professor Robert Ghrist, University of Pennsylvania

Abstract TBA


Robert Ghrist (Ph.D., Cornell, Applied Mathematics, 1995) is the Andrea Mitchell PIK Professor of Mathematics and Electrical & Systems Engineering at the University of Pennsylvania. He is a recognized leader in the field of Applied Algebraic Topology, working in sensor networks, robotics, signal processing, data analysis, optimization, and more. He is an award-winning researcher, teacher, and expositor of Mathematics and its applications. In his spare time, he enjoys animation and video production.

3:00pm – 3:15pm

Session: Performance

(Session Chair: Brian Summa)
  • Fast Merge Tree Computation via SYCL
    Arnur Nigmetov, Dmitriy Morozov (online)
  • Counterexamples expose gaps in the proof of time complexity for cover trees introduced in 2006
    Yury Elkin, Vitaliy Kurlin
3:15pm – 3:45pm Break
3:45pm – 3:59pm

Session: Comparison

(Session Chair: Brian Summa)
  • Autoencoder-Aided Visualization of Collections of Morse Complexes
    Jixian Li,Dan Van Boxel, Joshua A Levine
  • A Deformation-based Edit Distance for Merge Trees
    Florian Wetzels, Christoph Garth
3:59pm – 4:20pm

Session: Bivariate and vector data

(Session Chair: Christoph Garth)
  • Reduced Connectivity for Local Bilinear Jacobi Sets
    Daniel Klötzl, Tim Krake, Youjia Zhou, Kathrin Schulte, Ingrid Hotz, Bei Wang, Daniel Weiskopf
  • Jacobi Set Driven Search for Flexible Fiber Surface Extraction
    Mohit Sharma, Vijay Natarajan (online)
  • Discussion and Visualization of Distinguished Hyperbolic Trajectories as a Generalization of Critical Points to 2D Time-dependent Flow
    Roxana Bujack (online)
4:20pm – 4:34pm

Session: Analytics

(Session Chair: Christoph Garth)
  • ClassMat: a Matrix of Small Multiples to Analyze the Topology of Multiclass Multidimensional Data
    Michael Aupetit, Ahmed Ali, Abdelkader Baggag, Halima Bensmail (online)
  • Untangling Force-Directed Layouts Using Persistent Homology
    Bhavana Doppalapudi, Bei Wang, Paul Rosen
4:34pm – 4:55pm

Session: Applications

(Session Chair: Federico Iuricich)
  • Exploring Cyclone Evolution with Hierarchical Features
    Emma Nilsson, Jonas Lukasczyk, Wito Engelke, Talha Bin Masood, Gunilla Svensson, Rodrigo Caballero, Christoph Garth, Ingrid Hotz
  • Towards Benchmark Data Generation for Feature Tracking in Scalar Fields
    Emma Nilsson, Jonas Lukasczyk, Talha Bin Masood, Christoph Garth, Ingrid Hotz
  • Subject-Specific Brain Activity Analysis in fMRI Data Using Merge Trees
    Farhan Rasheed, Daniel Jönsson, Emma Nilsson, Talha Bin Masood, Ingrid Hotz (online)
4:55pm – 5:00pm

Early career lightning talks

(Session Chair: Federico Iuricich)
  • Raghavendra Sridharamurthy
    Indian Institute of Science
  • Tananun Songdechakraiwut
    University of Wisconsin–Madison
  • Hyeon Jeon
    Seoul National University
5:00pm – 5:05pm

Best paper award and closing