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» On periodicity of two-dimensional words
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JSCIC
2007
125views more  JSCIC 2007»
14 years 9 months ago
Discrete Fundamental Solution Preconditioning for Hyperbolic Systems of PDE
We present a new preconditioner for the iterative solution of linear systems of equations arising from discretizations of systems of first order partial differential equations (P...
Henrik Brandén, Sverker Holmgren, Per Sundq...
78
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MOC
2011
14 years 4 months ago
Error estimates for Raviart-Thomas interpolation of any order on anisotropic tetrahedra
Abstract. We prove optimal order error estimates for the Raviart-Thomas interpolation of arbitrary order under the maximum angle condition for triangles and under two generalizatio...
Gabriel Acosta, Thomas Apel, Ricardo G. Durá...
SIAMNUM
2010
178views more  SIAMNUM 2010»
14 years 4 months ago
A New Class of High Order Finite Volume Methods for Second Order Elliptic Equations
In the numerical simulation of many practical problems in physics and engineering, finite volume methods are an important and popular class of discretization methods due to the loc...
Long Chen
CCECE
2011
IEEE
13 years 9 months ago
An algorithm for object tracking based on adaptive triangle shape mesh estimation method
— Although "Adaptive Mesh" is regarded as complicating method for object tracking accompanied with many controversies and obstacles, but it has been proposed that such ...
Mahdi Koohi, Mahdi Narghi, Abbas Shakery
ICALP
2009
Springer
15 years 9 months ago
The Ehrenfeucht-Silberger Problem
We consider repetitions in words and solve a longstanding open problem about the relation between the period and the length of its longest unbordered factor. A word u is called bor...
Stepan Holub, Dirk Nowotka