Results 101 to 110 of about 939,183 (156)

A Note on Properties of Discrete Composition Operators [PDF]

open access: yesarXiv, 2017
We derive properties and a characterization of discrete composition matrices which are useful in the field of numerical computation of shape correspondences.
arxiv  

Computational Geometry Column 42 [PDF]

open access: yesSIGACT News, 32(3) Issue, 120 Sep. 2001, 63--72, 2001
A compendium of thirty previously published open problems in computational geometry is presented.
arxiv  

Characterization of Pentagons Determined by Two X-rays [PDF]

open access: yesarXiv, 2006
This paper contains some results of pentagons which can be determined by two X-rays. The results reveal this problem is more complicated.
arxiv  

Randomized Incremental Construction of Compressed Quadtrees [PDF]

open access: yesarXiv, 2009
We present a simple randomized incremental algorithm for building compressed quadtrees. The resulting algorithm seems to be simpler than previously known algorithms for this task.
arxiv  

Improved Examples of Non-Termination for Ruppert's Algorithm [PDF]

open access: yesarXiv, 2011
Improving the best known examples, two planar straight-line graphs which cause the non-termination of Ruppert's algorithm for a minimum angle threshold as low as 29.06 degrees are given.
arxiv  

Index notation of grid graphs [PDF]

open access: yesarXiv, 2012
By defining grids as graphs, geometric graphs can be represented in a very concise way.
arxiv  

Hilbert curves in 2 dimensions generated by L-systems [PDF]

open access: yesarXiv, 2013
Generating Hilbert curves in Z^2 using L-systems appears to be efficient and ...
arxiv  

Reducing Linear Programs into Min-max Problems [PDF]

open access: yesarXiv, 2013
We show how to reduce a general, strictly-feasible LP problem, into a min-max problem, which can be solved by the algorithm from the third section of my thesis.
arxiv  

The rank invariant stability via interleavings [PDF]

open access: yesarXiv, 2014
A lower bound for the interleaving distance on persistence vector spaces is given in terms of rank invariants. This offers an alternative proof of the stability of rank invariants.
arxiv  

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