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COMBINATORICS
1999
80views more  COMBINATORICS 1999»
15 years 6 months ago
On the Theory of Pfaffian Orientations. I. Perfect Matchings and Permanents
Kasteleyn stated that the generating function of the perfect matchings of a graph of genus g may be written as a linear combination of 4g Pfaffians. Here we prove this statement. ...
Anna Galluccio, Martin Loebl
COMPUTING
1999
128views more  COMPUTING 1999»
15 years 6 months ago
A Multigrid Method for Nonconforming FE-Discretisations with Application to Non-Matching Grids
Nonconforming finite element discretisations require special care in the construction of the prolongation andrestrictioninthemultigridprocess. Inthispaper,ageneralschemeisproposed...
Dietrich Braess, Maksimillian Dryja, Wolfgang Hack...
TIT
2002
73views more  TIT 2002»
15 years 6 months ago
The minimum distance of the duals of binary irreducible cyclic codes
Abstract--Irreducible cyclic codes have been an interesting subject of study for many years. The weight distribution of some of them have been determined. In this paper, we determi...
Cunsheng Ding, Tor Helleseth, Harald Niederreiter,...
TMI
2002
101views more  TMI 2002»
15 years 6 months ago
Electrical Impedance Tomography
Abstract. This paper surveys some of the work our group has done in electrical impedance tomography. Key words. electrical impedance tomography, pulmonary embolus, inverse boundary...
Jonathan C. Newell, David Isaacson, Jennifer L. Mu...
IPL
2010
160views more  IPL 2010»
15 years 5 months ago
Antimagic labeling and canonical decomposition of graphs
An antimagic labeling of a connected graph with m edges is an injective assignment of labels from {1, . . . , m} to the edges such that the sums of incident labels are distinct at...
Michael D. Barrus