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With E.W. Chambers, J. Erickson and R. Ghrist, “Vietoris–Rips complexes of planar point sets,” Discrete and Computational Geometry (to appear)

With G. Carlsson and D. Morozov, “Zigzag persistent homology and real-valued functions.” Proc. 25th Annual Symposium on Computational Geometry (SoCG), June 2009, pp.247–256

With M. Vejdemo-Johansson, “Persistent cohomology and circular coordinates,” Proc. 25th Annual Symposium on Computational Geometry (SoCG), June 2009, pp.227–236

"A Weak Characterisation of the Delaunay Triangulation", Geometriae Dedicata 135(1), August 2008, pp. 39-64

With L.-H. Lim. "Tensor rank and the ill-posedness of the best low-rank approximation problem", SIAM Journal on Matrix Analysis and Applications, Special Issue on Tensor Decompositions and Applications 30(3), 2008, pp.1084–1127

With R. Ghrist, "Homological sensor networks", Notices of the American Mathematical Society 54(1), 10–17, January 2007

With R. Ghrist, A. Muhammad, "Blind swarms for coverage in 2-d", Proc. Robotics: Science & Systems I, MIT, Cambridge, MA, June 8–10, 2005