NDLI: Proceedings of the twenty-fifth annual symposium on Computational geometry (SCG '09)

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Lower bounds for weak epsilon-nets and stair-convexity

Coresets for polytope distance

Computing hereditary convex structures

An IP solution to the art gallery problem

The scale axis transform

An improved bound on the number of unit area triangles

Visibility maps of realistic terrains have linear smoothed complexity

Divide-and-conquer for Voronoi diagrams revisited

Persistent cohomology and circular coordinates

Distributed vision with smart pixels

A proof of the molecular conjecture

k-means requires exponentially many iterations even in the plane

Adaptive isotopic approximation of nonsingular curves: the parametrizability and nonlocal isotopy approach

Diameter of polyhedra: limits of abstraction

Computational origami: from flapping birds to space telescopes

Epsilon nets and union complexity

Kinetic spanners in $R^{d}$

Binary plane partitions for disjoint line segments

Quadrilateral meshes with bounded minimum angle

Integral estimation from point cloud in d-dimensional space: a geometric view

Halving lines and measure concentration in the plane

Embedding rivers in polyhedral terrains

The geodesic farthest-site Voronoi diagram in a polygonal domain with holes

Proximity of persistence modules and their diagrams

Area-universal rectangular layouts

Flattening single-vertex origami: the non-expansive case

Approximation algorithms for maximum independent set of pseudo-disks

On the topology of planar algebraic curves

Minimum Manhattan network is NP-complete

PTAS for geometric hitting set problems via local search

Shooting permanent rays among disjoint polygons in the plane

Optimal in-place algorithms for 3-D convex hulls and 2-D segment intersection

Animating a continuous family of two-site Voronoi diagrams (and a proof of a bound on the number of regions)

Cut locus and topology from surface point data

Candle in the woods: asymptotic bounds on minimum blocking sets

The Euclidean degree-4 minimum spanning tree problem is NP-hard

Incremental construction of the delaunay triangulation and the delaunay graph in medium dimension

Zigzag persistent homology and real-valued functions

Cache-oblivious range reporting with optimal queries requires superlinear space

Arrangements of double pseudolines: extended abstract

On the set multi-cover problem in geometric settings

Randomly removing g handles at once

On grids in topological graphs

Near-linear approximation algorithms for geometric hitting sets

The scale axis picture show

Approximate center points with proofs

Parallel geometric algorithms for multi-core computers

A general approach for cache-oblivious range reporting and approximate range counting

Minimum cuts and shortest homologous cycles

Rectangular cartograms: the game

Geometric tomography: a limited-view approach for computed tomography

Straight skeletons of three-dimensional polyhedra

Reconstructing sharp features of triangular meshes

High resolution surface reconstruction from overlapping multiple-views

Proceedings of the twenty-fifth annual symposium on Computational geometry (SCG '09)

Content Provider	ACM Digital Library
Editor	Fogel, Efi Hershberger, John
Copyright Year	2009
Abstract	This volume collects the research papers and the short descriptions of the video presentations presented during the 25th Annual Symposium on Computational Geometry (SoCG'09), held June 8--10, 2009, at Aarhus University, Denmark. These proceedings also contain a summary of the symposium's invited talk by Robert Lang. The symposium is presented in cooperation with ACM SIGACT and SIGGRAPH, with support from Aarhus University and the Center for Massive Data Algorithmics (MADALGO). A total of 170 papers were submitted in response to the call for papers. The program committee reviewed the submissions carefully, with a distributed effort that included expert input from both the program committee and a host of external reviewers. The committee is very grateful to the external reviewers for the substantial help they provided. The program committee met electronically from January 23 to February 11 for discussions, and finally selected 44 papers for presentation at the symposium. The on-line paper submission process, the review process, and the electronic discussion and decision process were all performed using the free conference management system EasyChair. The papers presented here generally represent preliminary results of ongoing research. We expect that most of these papers will eventually appear in a more fully developed form in refereed journals. In addition, nine videos were submitted in response to the call for videos and multimedia; all nine were accepted for presentation at the symposium by the video and multimedia committee. The web proceedings showcase the revised videos at http://www.computational-geometry.org/.
ISBN	9781605585017
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-06-08
Access Restriction	Subscribed
Content Type	Text
Resource Type	Conference Proceedings

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