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APPML
2005
99views more  APPML 2005»
14 years 9 months ago
A numerical study of iterative refinement schemes for weakly singular integral equations
Three iterative refinement schemes are studied for approximating the solutions of linear weakly singular Fredholm integral equations of the second kind. The rates of convergence a...
Filomena D. d'Almeida, Olivier Titaud, Paulo B. Va...
APPML
2004
102views more  APPML 2004»
14 years 9 months ago
Twin n-point boundary value problems
Abstract. We establish the existence of positive solutions to twin time-scale problems given by the dynamic equation -u (t) = a(t)f(u(t)), t (t1, tn) T with boundary conditions u...
D. R. Anderson
APPML
2004
125views more  APPML 2004»
14 years 9 months ago
A note on the controllability of higher-order linear systems
In this paper, a new condition for the controllability of higher order linear dynamical systems is obtained. The suggested test contains rank conditions of suitably defined matric...
Gregory Kalogeropoulos, Panayiotis Psarrakos
APPML
2002
58views more  APPML 2002»
14 years 9 months ago
Layered clusters of tightness set functions
A method for structural clustering is proposed involving data on subset-to-entity linkages that can be calculated with structural data such as graphs or sequences or images. The m...
Boris Mirkin, Ilya B. Muchnik
APPML
2002
87views more  APPML 2002»
14 years 9 months ago
Induced layered clusters, hereditary mappings, and convex geometries
A method for structural clustering proposed by the authors is extended to the case when there are externally de ned restrictions on the relations between sets and their elements. ...
Boris Mirkin, Ilya B. Muchnik