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» Enumerating Triangulation Paths
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DM
2008
86views more  DM 2008»
13 years 7 months ago
"Catalan traffic" and integrals on the Grassmannian of lines
One proves that certain numbers occurring in a problem of paths enumeration, studied by Niederhausen in [7] (see also [10]), are top intersection numbers in the cohomology ring of...
Taíse Santiago Costa Oliveira
COMPGEOM
2010
ACM
13 years 11 months ago
The complexity of the normal surface solution space
Normal surface theory is a central tool in algorithmic threedimensional topology, and the enumeration of vertex normal surfaces is the computational bottleneck in many important a...
Benjamin A. Burton
3DIM
2005
IEEE
14 years 1 months ago
A Contour-Based Approach to 3D Text Labeling on Triangulated Surfaces
This paper presents a simple and efficient method of forming a 3D text label on a 3D triangulated surface. The label is formed by projecting the 2D contours that define the text...
Gregory G. Slabaugh, Viorel Mihalef, Gozde B. Unal
EJC
2011
13 years 2 months ago
Enumeration of connected Catalan objects by type
Noncrossing set partitions, nonnesting set partitions, Dyck paths, and rooted plane trees are four classes of Catalan objects which carry a notion of type. There exists a product f...
Brendon Rhoades
ISAAC
2000
Springer
110views Algorithms» more  ISAAC 2000»
13 years 11 months ago
Online Routing in Convex Subdivisions
We consider online routing algorithms for finding paths between the vertices of plane graphs. We show (1) there exists a routing algorithm for arbitrary triangulations that has no...
Prosenjit Bose, Pat Morin, Andrej Brodnik, Svante ...