Biography

I am a Computer Systems Engineer at Lawrence Berkeley National Laboratory (LBNL) in the Machine Learning and Analytics Group. My work centers on Topological Data Analysis (TDA) applied to Machine Learning and scientific computing.

Education

• Ph.D. in Mathematics and Scientific Computing (Graz University of Technology, Austria, 2016-2020)
  • Doctoral Thesis: "Comparison of Topological Summaries"
  • Advisor: Michael Kerber
  • Field: Topological Data Analysis
• M.Sc. in Visual Computing (Saarland University, Germany, 2012-2015)
  • Thesis: "Analysis of Tensor Decomposition for 3D Human Face Modeling"
  • Supervisor: Stefanie Wuhrer
  • Field: Geometry Processing and 3D Modeling

Work Experience

• Computer Systems Engineer, Lawrence Berkeley National Laboratory (2023-present)
• Postdoctoral Researcher, Lawrence Berkeley National Laboratory (2020-2022) (Supervisor: Dmitriy Morozov)
• University Assistant, TU Graz (2015-2020)

Publications

• Geometry Helps to Compare Persistence Diagrams
  Co-authors: Michael Kerber, Dmitriy Morozov
  Journal: ACM Journal of Experimental Algorithmics, 2017
  Link: https://dl.acm.org/doi/10.1145/3064175
• Metric Spaces with Expensive Distances
  Co-author: Michael Kerber
  Journal: International Journal of Computational Geometry & Applications, 2020
  Link: https://doi.org/10.1142/S0218195920500040
• Local–Global Merge Tree Computation with Local Exchanges
  Co-author: Dmitriy Morozov
  Conference: Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (SC), 2019
  Link: https://dl.acm.org/doi/10.1145/3295500.3356170
• Efficient Approximation of the Matching Distance for 2-Parameter Persistence
  Co-author: Michael Kerber
  Conference: Proceedings of the 36th International Symposium on Computational Geometry (SoCG), 2020
  Link: https://doi.org/10.4230/LIPIcs.SoCG.2020.54
• Towards Lockfree Persistent Homology
  Co-author: Dmitriy Morozov
  Conference: Proceedings of the 32nd ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), 2020
  Link: https://doi.org/10.1145/3350755.3400240
• Fast Merge Tree Computation via SYCL
  Co-author: Dmitriy Morozov
  Conference: Topological Data Analysis and Visualization (TopoInVis), 2022
  Link: https://doi.org/10.1007/978-3-031-08651-1_5
• Topological Optimization with Big Steps
  Co-author: Dmitriy Morozov
  Journal: Discrete & Computational Geometry, 2024
  Link: https://doi.org/10.1007/s00454-023-00460-1
• LowFive: In Situ Data Transport for High-Performance Workflows
  Co-authors: Tom Peterka, Dmitriy Morozov, Orcun Yildiz, Bogdan Nicolae, Philip E. Davis
  Conference: 2023 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 2023
  Link: https://doi.org/10.1109/IPDPS54959.2023.00030

Software

• Hera: Computation of bottleneck and Wasserstein distances
• Oineus: Lockfree Persistent Homology computation, Topological Optimization, Image/Kernel/Cokernel Persistence

Contact Information

Email: anigmetov@lbl.gov

Mailing Address: