نتایج جستجو برای: contractive multifunction

تعداد نتایج: 3476  

Journal: :Nonlinear analysis, theory, methods & applications 2013
Zahra Aminzare Eduardo D. Sontag

This paper proves that contractive ordinary differential equation systems remain contractive when diffusion is added. Thus, diffusive instabilities, in the sense of the Turing phenomenon, cannot arise for such systems. An important biochemical system is shown to satisfy the required conditions.

2013
Ian Doust

Increasing sequences of contractive projections on a reflexive LP space share an unconditionality property similar to that exhibited sequences of self-adjoint projections on a Hilbert space. A slight variation of this property is shown to be precisely the correct condition on a reflexive Banach space to ensure that every operator with a contractive AC-functional calculus is scalar-type spectraL

2017
S. K. Tiwari

In this paper, we prove some common fixed point results for pair of rational type of contractive mappings in the setting of complex valued b-metric spaces. Our results extend, generalize and improve the corresponding results of A. K .Dubey’ [48]. Key word: Complex valued b-metric space; common fixed point; Rational expression type of contractive mappings.

Journal: :IEEE Trans. Computers 1973
Daniel Hampel

Threshold logic gates, up to now, generally have been presumed to provide a single function of the input variables. The threshold gates that have been integrated [I1]-4] were naturally double-sided and provided complementary outputs or, more specifically, complemented dual outputs. This paper shows that the inphase and out-of-phase outputs can, in fact, be designed to provide grossly different ...

Proving  fixed point theorem in a fuzzy metric space is not possible for  Meir-Keeler contractive mapping. For this, we introduce the notion of $c_0$-triangular fuzzy metric space. This new space allows us to prove some fixed point theorems for  Meir-Keeler contractive mapping. As some pattern we introduce the class of $alphaDelta$-Meir-Keeler contractive and we establish some results of fixed ...

1999
V. Paliouras T. Stouraitis

Novel very large-scale integration architectures and a design methodology for adder-based residue number system (RNS) processors are presented in this paper. The new architectures compute residues for more than one modulus either serially or in parallel, while their use can increase the resource utilization in a processor. Complexity is reduced by sharing common intermediate results among the v...

2012
Hemant Kumar Pathak Naseer Shahzad Ravishankar Shukla

In this paper, a generalization of Nadler’s fixed point theorem is presented for H-type k-multivalued weak contractive mappings. We consider a nonconvex Hammerstein type integral inclusion and prove an existence theorem by using an H-type multi-valued weak contractive mapping.

Journal: :Int. J. Math. Mathematical Sciences 2008
Cristina Di Bari Calogero Vetro

Recommended by Wolfgang Kuehnel We introduce a new generalized contractive condition for four mappings in the framework of metric space. We give some common fixed point results for these mappings and we deduce a fixed point result for weakly compatible mappings satisfying a contractive condition of integral type.

2007
RALF MEYER

We show that the matricial norms of a non-unital operator algebra determine those of the algebra obtained by adjoining a unit to it. As applications , we classify two-dimensional unital operator algebras and show that the algebra of bounded holomorphic functions on a strongly pseudoconvex domain has a contractive representation that is not completely contractive.

2014
Safeer Hussain

In this paper, we prove a strong convergence result using a recently introduced iterative process with contractive-like operators. This improves andgeneralizes corresponding results in the literature in two ways: iterativeprocess is faster, operators are more general. At the end, we indicatethat the results can also be proved with the iterative process witherror terms. Keywords—Contractive-like...

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