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JCT
2016
57views more  JCT 2016»
10 years 28 days ago
Critical exponents of graphs
The study of entrywise powers of matrices was originated by Loewner in the pursuit of the Bieberbach conjecture. Since the work of FitzGerald and Horn (1977), it is known that A◦...
Dominique Guillot, Apoorva Khare, Bala Rajaratnam
JCT
2016
65views more  JCT 2016»
10 years 28 days ago
Chains in weak order posets associated to involutions
The W-set of an element of a weak order poset is useful in the cohomological study of the closures of spherical subgroups in generalized flag varieties. We explicitly describe in...
Mahir Bilen Can, Michael Joyce, Benjamin Wyser
JCST
2016
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10 years 28 days ago
Technological Exploration of RRAM Crossbar Array for Matrix-Vector Multiplication
Matrix-vector multiplication is the key operation for many computationally intensive algorithms. The emerging metal oxide resistive switching random access memory (RRAM) device and...
Lixue Xia, Peng Gu, Boxun Li, Tianqi Tang, Xiling ...


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56 years 4 months ago
JCPHY
2016
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10 years 28 days ago
Higher-order in time "quasi-unconditionally stable" ADI solvers for the compressible Navier-Stokes equations in 2D and 3D curvil
This paper introduces alternating-direction implicit (ADI) solvers of higher order of timeaccuracy (orders two to six) for the compressible Navier-Stokes equations in two- and thr...
Oscar P. Bruno, Max Cubillos
JCPHY
2016
58views more  JCPHY 2016»
10 years 28 days ago
Unconditionally energy stable time stepping scheme for Cahn-Morral equation: Application to multi-component spinodal decompositi
Abstract. An unconditionally energy stable time stepping scheme is introduced to solve CahnMorral-like equations in the present study. It is constructed based on the combination of...
Rouhollah Tavakoli
JCPHY
2016
35views more  JCPHY 2016»
10 years 28 days ago
A multiscale restriction-smoothed basis method for high contrast porous media represented on unstructured grids
A wide variety of multiscale methods have been proposed in the literature to reduce runtime and provide better scaling for the solution of Poisson-type equations modeling flow in ...
Olav Møyner, Knut-Andreas Lie
JCPHY
2016
34views more  JCPHY 2016»
10 years 28 days ago
The panel-clustering method for the wave equation in two spatial dimensions
We consider the numerical solution of the wave equation in a two-dimensional domain and start from a boundary integral formulation for its discretization. We employ the convolutio...
Silvia Falletta, Stefan A. Sauter
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JCPHY
2016
45views more  JCPHY 2016»
10 years 28 days ago
High-order unstructured curved mesh generation using the Winslow equations
We propose a method to generate high-order unstructured curved meshes using the classical Winslow equations. We start with an initial straight-sided mesh in a reference domain, an...
Meire Fortunato, Per-Olof Persson