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Preprints, Papers, Presentations

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Manuscripts

E.W. Chambers, V. de Silva, J. Erickson, R. Ghrist, “Rips complexes of planar point sets” PDF

V. de Silva, L.-H. Lim, “Tensor rank and the ill-posedness of the best low-rank approximation problem,” (to appear) SIAM Journal on Matrix Analysis and Applications, Special Issue on Tensor Decompositions and Applications. PDF

V. de Silva, “A weak characterisation of the Delaunay triangulation.” PDF

V. de Silva, J.B. Tenenbaum, “Sparse multidimensional scaling using landmark points.” PDF

G. Carlsson, V. de Silva, “Topological approximation by small simplicial complexes.” PDF


Published Papers

V. de Silva, R. Ghrist, “Coverage in sensor networks via persistent homology,” Algebraic & Geometric Topology, 7, 2007, pp.339–358. PDF

V. de Silva, R. Ghrist, “Homological sensor networks,” Notices of the American Mathematical Society, 54(1), January 2007, pp.10–17. PDF

V. de Silva, R. Ghrist, “Coordinate-free coverage in sensor networks with controlled boundaries via homology,” International Journal of Robotics Research, 25(12), December 2006, pp.1205–1222. PDF

E. Carlsson, G. Carlsson, V. de Silva, “An algebraic topological method for feature identification,” International Journal of Computational Geometry & Applications, 16(4), August 2006, pp.291–314. PDF

V. de Silva, R. Ghrist, A. Muhammad, “Blind swarms for coverage in 2-d,” Proc. Robotics: Science & Systems I, MIT, Cambridge, MA, June 8–10, 2005. PDF Conference

Q. Fang, J. Gao, L. Guibas, V. de Silva, L. Zhang, “GLIDER: Gradient Landmark-Based Distributed Routing for Sensor Networks,” 24th Annual Conference of the IEEE Communication Society (INFOCOM), Miami, FL, March 13–17, 2005. PDF PS

V. de Silva, G. Carlsson, “Topological estimation using witness complexes,” Symposium on Point-Based Graphics, ETH, Zürich, Switzerland, June 2–4, 2004. PDF

G. Carlsson, V. de Silva, “A geometric framework for sparse matrix problems,” Advances in Applied Mathematics, 33(1), July 2004, pp.1–25. PS

V. de Silva, J.B. Tenenbaum, “Global versus local methods for nonlinear dimensionality reduction,” pp. 721–728 in S. Becker, S. Thrun,, K. Obermayer (Eds.), Advances in Neural Information Processing Systems, 15, MIT Press, Cambridge, MA, 2003. PDF

V. de Silva, J.B. Tenenbaum, “Unsupervised learning of curved manifolds,” pp. 453–466 in D.D. Denison, M.H. Hansen, C.C. Holmes, B. Mallick, B. Yu (Eds.), Nonlinear Estimation and Classification, Lecture Notes in Statistics, 171, Springer-Verlag, New York, NY, 2003. (ISBN: 0-387-95471-6) PDF

M. Balasubramanian, E.L. Schwartz, J.B. Tenenbaum, V. de Silva, J.C. Langford, “The Isomap algorithm and topological stability,” Science 295: 4 January 2002. PS

J.B. Tenenbaum, V. de Silva, J. Langford, “A global geometric framework for nonlinear dimensionality reduction,” Science 290: 22 December 2000, pp. 2319–2323. PDF Website

M. Bernstein, V. de Silva, J.C. Langford, J.B. Tenenbaum, “Graph approximations to geodesics on embedded manifolds,” technical report. PDF


Talks

Workshop on Geometric and Topological Approaches to Data Analysis. University of Chicago & Toyota Technological Institute. October 8–12, 2007. “Witness (Bi-)complexes in Topological Reconstruction” (invited talk). PDF Workshop

Workshop on Mathematics of Visual Analysis. MSRI. Berkeley, California. October 16–17, 2006. “Topological Measurements” (invited panel presentation). PDF Workshop

Workshop on Application of Topology in Science and Engineering. MSRI. Berkeley, California. September 18–22, 2006. “Persistent cohomology” (invited talk). PDF Workshop

MMDS 2006: Workshop on Algorithms for Modern Massive Data Sets. Stanford University & Yahoo! Research. Stanford, California. June 21–24, 2006. “Point-cloud topology via harmonic forms” (invited talk). PDF Conference

DARPA Topological Data Analysis, Annual Meeting. Santa Barbara, California. May 8–10, 2006. “Witnesses and local cohomology” (invited talk). PDF

Claremont Colleges Mathematics Colloquium. Pitzer College, Claremont, California. April 12, 2006. “Point-clouds, weak witnesses and blind robots (or what happens when a computer learns topology) ” PDF

MGA Workshop III: Multiscale Structures in the Analysis of High-Dimensional Data. Institute for Pure and Applied Mathematics, UCLA, Los Angeles, California. October 25–29, 2004. “Multiscale parameters in computational topology” (invited talk). PDF Conference

Algebraic Topological Methods in Computer Science 2. University of Western Ontario, London, Ontario. July 16–20, 2004. “Harmonic methods in computational topology” (invited talk). PDF Conference

Symposium on Point-Based Graphics. ETH, Zürich, Switzerland. June 2–4, 2004. “Topological estimation using witness complexes” (submitted talk). PDF Conference

Neural Information Processing Systems 2002, Vancouver, British Columbia. Workshop on Spectral Methods in Dimensionality Reduction, Clustering, and Classification. December 13, 2002. “Nonlinear dimensionality reduction” (invited talk). PDF Workshop Conference