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Mostrando ítems 21-30 de 31
Artículo
Effects of buffer insertion on the average/peak power ratio in CMOS VLSI digital circuits
(Society of Photo-optical Instrumentation Engineers, 2007)
The buffer insertion has been a mechanism widely used to increase the performances of advanced VLSI digital circuits and systems. The driver or repeater used to this purpose has effect on the timing characteristics on the ...
Ponencia
A Software Tool for Dealing with Spiking Neural P Systems
(Fénix Editora, 2007)
Software simulators for P system are nowadays the main tool to carry out experiments in the eld of Membrane Computing. Although the simulation of a P system is a quite complex task, current simulators have been successfully ...
Artículo
A Note on Σ₁-Maximal Models
(Association for Symbolic Logic, 2007)
Let T be a recursive theory in the language of first order Arithmetic. We prove that if T extends: (a) the scheme of parameter free Δ₁-minimization (plus exp), or (b) the scheme of parameter free Π₁-induction, then there ...
Ponencia
A Cellular Solution to Subset Sum Using Division of Non-elementary Membranes and Dissolution, with Time and Initial Resources Bounded by log k
(SEERC, South-East European Research Centre, 2007)
The aim of our paper is twofold. On one hand we prove the ability of polar- izationless P systems with dissolution and with division rules for non-elementary mem- branes to solve NP-complete problems in a polynomial ...
Ponencia
A Linear Solution for Subset Sum Problem with Tissue P Systems with Cell Division
(Fénix Editora, 2007)
Tissue P systems are a computing model in the framework of Membrane Computing where the tree-like membrane structure is replaced by a general graph. Recently, it has been shown that endowing these P systems with cell ...
Ponencia
Solving Subset Sum in Linear Time by Using Tissue P Systems with Cell Division
(Springer, 2007)
Tissue P systems with cell division is a computing model in the framework of Membrane Computing based on intercellular communication and cooperation between neurons. The ability of cell division allows us to obtain an ...
Ponencia
A Logarithmic Bound for Solving Subset Sum with P Systems
(Springer, 2007)
The aim of our paper is twofold. On one hand we prove the ability of polarizationless P systems with dissolution and with division rules for non-elementary membranes to solve NP-complete problems in a polynomial number ...
Artículo
Improved di-neutron cluster model for 6 He scattering
(American Physical Society, 2007)
The structure of the three-body Borromean nucleus He6 is approximated by a two-body di-neutron cluster model. The binding energy of the 2n-α system is determined to obtain a correct description of the 2n-α coordinate, as ...
Artículo
Spacer-mediated synthesis of bis-spiroketal disaccharides: Nonsymmetrical furanose-pyranose difructose dianhydrides
(2007)
The stereochemical outcome of the dimerization reaction of D-fructose, leading to tricyclic bis-spiroketal systems, can be tuned by inserting a xylylene template between the reacting moieties. Spirocyclization becomes then ...
Artículo
Towards a systematic design of isotropic bulk magnetic metamaterials using the cubic point groups of symmetry
(American Physical Society, 2007)
In this paper, a systematic approach to the design of bulk isotropic magnetic metamaterials is presented. The roles of the symmetries of both the constitutive element and the lattice are analyzed. For this purpose, it is ...