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COMPGEOM
2011
ACM
14 years 10 months ago
Reeb graphs: approximation and persistence
Given a continuous function f : X → IR on a topological space X, its level set f−1 (a) changes continuously as the real value a changes. Consequently, the connected components...
Tamal K. Dey, Yusu Wang
TSMC
2010
15 years 1 months ago
Distance Approximating Dimension Reduction of Riemannian Manifolds
We study the problem of projecting high-dimensional tensor data on an unspecified Riemannian manifold onto some lower dimensional subspace1 without much distorting the pairwise geo...
Changyou Chen, Junping Zhang, Rudolf Fleischer
ISAAC
2004
Springer
125views Algorithms» more  ISAAC 2004»
15 years 12 months ago
Polyline Fitting of Planar Points Under Min-sum Criteria
Fitting a curve of a certain type to a given set of points in the plane is a basic problem in statistics and has numerous applications. We consider fitting a polyline with k join...
Boris Aronov, Tetsuo Asano, Naoki Katoh, Kurt Mehl...
SIGECOM
2010
ACM
201views ECommerce» more  SIGECOM 2010»
15 years 11 months ago
Truthful assignment without money
We study the design of truthful mechanisms that do not use payments for the generalized assignment problem (GAP) and its variants. An instance of the GAP consists of a bipartite g...
Shaddin Dughmi, Arpita Ghosh
WAOA
2005
Springer
112views Algorithms» more  WAOA 2005»
16 years 2 days ago
Partial Multicuts in Trees
Let T = (V, E) be an undirected tree, in which each edge is associated with a non-negative cost, and let {s1, t1}, . . . , {sk, tk} be a collection of k distinct pairs of vertices...
Asaf Levin, Danny Segev