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» Lyapunov functionals and matrices
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ISSAC
2005
Springer
77views Mathematics» more  ISSAC 2005»
15 years 3 months ago
Picard--Vessiot extensions for linear functional systems
Picard-Vessiot extensions for ordinary differential and difference equations are well known and are at the core of the associated Galois theories. In this paper, we construct fu...
Manuel Bronstein, Ziming Li, Min Wu
FPLE
1995
15 years 1 months ago
Explaining Algebraic Theory with Functional Programs
Abstract. A hierarchy of six important structures from abstract algebra (groups, rings, fields etc.) is introduced as Gofer class definitions and laws about them. Many instance d...
Jeroen Fokker
SIAMCO
2002
81views more  SIAMCO 2002»
14 years 9 months ago
Stability of Planar Switched Systems: The Linear Single Input Case
Abstract. We study the stability of the origin for the dynamical system x(t) = u(t)Ax(t)+(1u(t))Bx(t), where A and B are two 2
Ugo V. Boscain
COMBINATORICS
2002
86views more  COMBINATORICS 2002»
14 years 9 months ago
On the Dimer Problem and the Ising Problem in Finite 3-dimensional Lattices
We present a new expression for the partition function of the dimer arrangements and the Ising partition function of the 3-dimensional cubic lattice. We use the Pfaffian method. T...
Martin Loebl
FSE
2006
Springer
116views Cryptology» more  FSE 2006»
15 years 1 months ago
On Feistel Structures Using a Diffusion Switching Mechanism
We study a recently proposed design approach of Feistel structure which employs diffusion matrices in a switching way. At ASIACRYPT 2004, Shirai and Preneel have proved that large ...
Taizo Shirai, Kyoji Shibutani