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» Note on an Inequality of Wegner
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PR
2007
130views more  PR 2007»
13 years 7 months ago
Further results on the subspace distance
In previous papers [1, 2], we proposed a subspace distance. However, whether the subspace distance satisfies the triangle inequality was left open. In this note, we give positive ...
Xichen Sun, Liwei Wang, Jufu Feng
TIT
2010
118views Education» more  TIT 2010»
13 years 2 months ago
Counterexamples to a proposed stam inequality on finite groups
Abstract--Gibilisco and Isola have recently proposed a definition of Fisher information for random variables taking values in a finite group that is analogous to the definition for...
Venkat Anantharam
AUTOMATICA
2005
95views more  AUTOMATICA 2005»
13 years 7 months ago
A note on asymptotic stabilization of linear systems by periodic, piecewise constant, output feedback
This note studies the asymptotic stabilization problem for controllable and observable, single-input single-output, linear, time-invariant, continuous-time systems by means of mem...
J. C. Allwright, Alessandro Astolfi, H. P. Wong
ENDM
2010
115views more  ENDM 2010»
13 years 4 months ago
On the knapsack closure of 0-1 Integer Linear Programs
Many inequalities for Mixed-Integer Linear Programs (MILPs) or pure Integer Linear Programs (ILPs) are derived from the Gomory corner relaxation, where all the nonbinding constrai...
Matteo Fischetti, Andrea Lodi
IPL
2010
119views more  IPL 2010»
13 years 5 months ago
Note on Max Lin-2 above Average
In the Max Lin-2 problem we are given a system S of m linear equations in n variables over F2 in which Equation j is assigned a positive integral weight wj for each j. We wish to ...
Robert Crowston, Gregory Gutin, Mark Jones