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David Letscher, Ph.D.

Associate Professor
Department of Computer Science

Office Hours

MTWT 9:30-9:50 a.m., MTWT 11:25 a.m.-12 p.m.

Courses Taught

CSCI 2100 Data Structures, CSCI 2100 Data Structures, CSCI 4740 Artificial Intelligence, CSCI 5740 Introduction to Artificial Intelligence, CSCI 2100 Data Structures

Education

  • Ph.D. in Mathematics, University of Michigan
  • B.S. in Mathematics, Notre Dame

Research Interests

  • Computational Topology
  • 3-Manifold Algorithms

Publications and Media Placements

  • Yajie Yan, David Letscher, and Tao Ju. “Voxel cores: efficient, robust, and provably good approximation of 3D medial axes”. In: ACM Trans. Graph. 37.4 (2018), 44:1–44:13. doi: 10.1145/3197517.3201396. url: http://doi.acm.org/10.1145/3197517.3201396.
  • Hsien-Chih Chang, Jeff Erickson, David Letscher, Arnaud de Mesmay, Saul Schleimer, Eric Sedgwick, Dylan Thurston, and Stephan Tillmann. “Tightening Curves on Surfaces via Local Moves”. In: Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2018, New Orleans, LA, USA, January 7-10, 2018. 2018, pp. 121–135. doi: 10.1137/1.9781611975031.8. url: https://doi.org/10.1137/1.9781611975031.8.
  • Yajie Yan, Kyle Sykes, Erin W. Chambers, David Letscher, and Tao Ju. “Erosion thickness on medial axes of 3D shapes”. In: ACM Trans. Graph. 35.4 (2016), 38:1–38:12. doi: 10.1145/2897824.2925938. url: http://doi.acm.org/10.1145/2897824.2925938.
  • David Letscher and Kyle Sykes. “On the Stability of Medial Axis of a Union of Balls in the Plane”. In: Proceedings of the 28th Canadian Conference on Computational Geometry, CCCG 2016, August 3-5, 2016, Simon Fraser University, Vancouver, British Columbia, Canada. 2016, pp. 29–33.
  • Yajie Yan, Tao Ju, David Letscher, and Erin W. Chambers. “Burning the medial axis”. In: Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH ’15, Los Angeles, CA, USA, August 9-13, 2015, Posters Proceedings. 2015, 62:1. doi: 10.1145/2787626.2792658. url: http://doi.acm.org/10.1145/2787626.2792658.