28. Symposium on Computational Geometry 2012: Chapel Hill, NC, USA
Tamal K. Dey, Sue Whitesides (Eds.): Symposuim on Computational Geometry 2012, SoCG '12, Chapel Hill, NC, USA, June 17-20, 2012. ACM 2012 ISBN 978-1-4503-1299-8
Sunday morning, June 17, before the break
Natan Rubin: On topological changes in the delaunay triangulation of moving points. 1-10
Alina Ene, Sariel Har-Peled, Benjamin Raichel: Geometric packing under non-uniform constraints. 11-20
Md. Jawaherul Alam, Therese C. Biedl, Stefan Felsner, Michael Kaufmann, Stephen G. Kobourov, Torsten Ueckerdt: Computing cartograms with optimal complexity. 21-30
Amirali Abdullah, John Moeller, Suresh Venkatasubramanian: Approximate bregman near neighbors in sublinear time: beyond the triangle inequality. 31-40
Sunday morning, June 17, after the break

Michal Adamaszek, Juraj Stacho: Algorithmic complexity of finding cross-cycles in flag complexes. 51-60
Victor Alvarez, Karl Bringmann, Radu Curticapean, Saurabh Ray: Counting crossing-free structures. 61-68
Siu-Wing Cheng, Jiongxin Jin, Man-Kit Lau: A fast and simple surface reconstruction algorithm. 69-78
Invited talk: sunday afternoon, June 17
Jane S. Richardson, David C. Richardson: Protein molecules in 3D: complex behavior from simple local geometry plus weak interactions. 79-80
Monday morning, June 18, before the break

Herbert Edelsbrunner, Brittany Terese Fasy, Günter Rote: Add isotropic Gaussian kernels at own risk: more and more resilient modes in higher dimensions. 91-100
Anne Driemel, Sariel Har-Peled, Benjamin Raichel: On the expected complexity of voronoi diagrams on terrains. 101-110
Monday morning, June 18, after the break
Sariel Har-Peled, Amir Nayyeri, Mohammad R. Salavatipour, Anastasios Sidiropoulos: How to walk your dog in the mountains with no magic leash. 121-130


Ashwinkumar Badanidiyuru, Robert Kleinberg, Hooyeon Lee: Approximating low-dimensional coverage problems. 161-170
Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda: An output-sensitive algorithm for computing projections of resultant polytopes. 179-188
Micha Sharir, Adam Sheffer, Emo Welzl: Counting plane graphs: perfect matchings, spanning cycles, and Kasteleyn's technique. 189-198
Invited talk: monday afternoon, June 18
Christopher J. Bishop: Mappings and meshes. 199-200
Tuesday morning, June 19, before the break

Éric Colin de Verdière, Grégory Ginot, Xavier Goaoc: Multinerves and helly numbers of acyclic families. 209-218
Guillermo D. Cañas, Steven J. Gortler: Duals of orphan-free anisotropic voronoi diagrams are embedded meshes. 219-228
Jean-Daniel Boissonnat, Ramsay Dyer, Arijit Ghosh: Stability of Delaunay-type structures for manifolds: [extended abstract]. 229-238
VIa: tuesday morning, June 19, after the break
Donald Sheehy: Linear-size approximations to the vietoris-rips filtration. 239-248
Herbert Edelsbrunner, Michael Kerber: Alexander duality for functions: the persistent behavior of land and water and shore. 249-258
Gert Vegter, Amit Chattopadhyay, Chee-Keng Yap: Certified computation of planar morse-smale complexes. 259-268
Salman Parsa: A deterministic o(m log m) time algorithm for the reeb graph. 269-276
VIb: tuesday morning, June 19, after the break
Kenneth L. Clarkson, Wolfgang Mulzer, C. Seshadhri: Self-improving algorithms for coordinate-wise maxima. 277-286
Timothy M. Chan: Conflict-free coloring of points with respect to rectangles and approximation algorithms for discrete independent set. 293-302
Wolfgang Mulzer, Daniel Werner: Approximating Tverberg points in linear time for any fixed dimension. 303-310
Invited talk: tuesday afternoon, June 19
Rien van de Weygaert: Tessellation analysis of the cosmic web. 311-312
VIIa: wednesday, June 20, before the break
Yufei Tao: Stabbing horizontal segments with vertical rays. 313-322
Peyman Afshani, Lars Arge, Kasper Green Larsen: Higher-dimensional orthogonal range reporting and rectangle stabbing in the pointer machine model. 323-332
Peyman Afshani: Improved pointer machine and I/O lower bounds for simplex range reporting and related problems. 339-346
VIIb: wednesday, June 20, before the break

Nicolas Bonifas, Marco Di Summa, Friedrich Eisenbrand, Nicolai Hähnle, Martin Niemeier: On sub-determinants and the diameter of polyhedra. 357-362
Sunil Arya, Guilherme Dias da Fonseca, David M. Mount: Optimal area-sensitive bounds for polytope approximation. 363-372
Joseph M. Burdis, Irina A. Kogan: Object-image correspondence for curves under central and parallel projections. 373-382
VIII: wednesday, June 20, after the break
Andrew Suk: Disjoint edges in complete topological graphs. 383-386
Abhijin Adiga, L. Sunil Chandran: Representing a cubic graph as the intersection graph of axis-parallel boxes in three dimensions. 387-396
Bernardo M. Ábrego, Oswin Aichholzer, Silvia Fernández-Merchant, Pedro Ramos, Gelasio Salazar: The 2-page crossing number of Kn. 397-404
Video session: wednesday afternoon, June 20

Fatemeh Abbasinejad, Pushkar Joshi, Nina Amenta: Surface patches from unorganized space curves. 417-418
Johan Hidding, Rien van de Weygaert, Gert Vegter, Bernard J. T. Jones, Monique Teillaud: The sticky geometry of the cosmic web. 421-422



