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COMPGEOM
2009
ACM
15 years 4 months ago
Halving lines and measure concentration in the plane
Given a set of n points in the plane and a collection of k halving lines of P ℓ1, . . . , ℓk indexed according to the increasing order of their slopes, we denote by d(ℓj, ...
Rom Pinchasi
COMPGEOM
2000
ACM
15 years 2 months ago
A trace bound for the hereditary discrepancy
Let A be the incidence matrix of a set system with m sets and n points, m ≤ n, and let t = tr M, where M = AT A. Finally, let σ = tr M2 be the sum of squares of the elements of ...
Bernard Chazelle, Alexey Lvov
ESA
1995
Springer
182views Algorithms» more  ESA 1995»
15 years 1 months ago
A Geometric Approach to Betweenness
An input to the betweenness problem contains m constraints over n real variables (points). Each constraint consists of three points, where one of the points is specified to lie in...
Benny Chor, Madhu Sudan
CSREASAM
2006
14 years 11 months ago
A Proposal of One-Time Biometric Authentication
- In biometric authentication, feature information of each enrolled person's biometric information is enrolled as templates. Secure databases or anti-tampered devices store th...
Yoshifumi Ueshige, Kouichi Sakurai
IEICET
2006
55views more  IEICET 2006»
14 years 10 months ago
Inserting Points Uniformly at Every Instance
A problem of arranging n points as uniformly as possible, which is equivalent to that of packing n equal and non-overlapping circles in a unit square, is frequently asked. In this ...
Sachio Teramoto, Tetsuo Asano, Naoki Katoh, Benjam...