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SIAMCO
2011
10 years 8 months ago
On Riccati Equations in Banach Algebras
Let R be a commutative complex Banach algebra with the involution ·⋆ and suppose that A ∈ Rn×n , B ∈ Rn×m , C ∈ Rp×n . The question of when the Riccati equation PBB⋆ ...
Ruth Curtain, Amol Sasane
DM
2007
136views more  DM 2007»
11 years 1 months ago
Lower connectivities of regular graphs with small diameter
Krishnamoorthy, Thulasiraman and Swamy [Minimum order graphs with specified diameter, connectivity and regularity, Networks 19 (1989) 25–46] showed that a δ-regular graph with...
Camino Balbuena, Xavier Marcote
WCE
2007
11 years 2 months ago
Further results on the Craig-Sakamoto Equation
—In this paper necessary and sufficient conditions are stated for the Craig-Sakamoto equation det(I − sA − tB) = det(I − sA) det(I − tB), for all scalars s, t. Moreover, ...
John Maroulas
EUSFLAT
2007
120views Fuzzy Logic» more  EUSFLAT 2007»
11 years 3 months ago
On Monotonic Operations which Are Locally Internal on Some Subset of Their Domain
In the paper [4] a structure of operation locally internal on some subset of domain is given. Here we present additional properties of such operation and sufficient conditions to ...
Pawel Drygas
CP
1999
Springer
11 years 5 months ago
The Theory of Discrete Lagrange Multipliers for Nonlinear Discrete Optimization
In this paper we present a Lagrange-multiplier formulation of discrete constrained optimization problems, the associated discrete-space first-order necessary and sufficient condit...
Benjamin W. Wah, Zhe Wu
SAC
2006
ACM
11 years 7 months ago
Provably faithful evaluation of polynomials
We provide sufficient conditions that formally guarantee that the floating-point computation of a polynomial evaluation is faithful. To this end, we develop a formalization of ...
Sylvie Boldo, César Muñoz
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