Results 41 to 50 of about 462,824 (274)

On the policy function in continuos time economic models [PDF]

open access: yes, 1991
In this paper, I consider a general class of continuous-time economic models with unbounded horizon. I study the sets of conditions under which the policy function is continuous, Lipschitz continuous, and Cl differentiable.
Santos, Manuel S.
core  

On hypercyclicity and supercyclicity of strongly continuous semigroups induced by semiflows. Disjoint hypercyclic semigroups [PDF]

open access: yes, 2020
We enquire into the basic structural properties of positively supercyclic strongly continuous semigroups induced by locally Lipschitz continuous semiflows in the setting of weighted Lp and C0-type spaces.
Kostić, Marko
core  

Ordering dynamics of microscopic models with nonconserved order parameter of continuous symmetry [PDF]

open access: yes, 1993
Numerical Monte Carlo temperature-quenching experiments have been performed on two three-dimensional classical lattice models with continuous ordering symmetry: the Lebwohl-Lasher model [Phys. Rev.
Mouritsen, Ole G.   +2 more
core   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Some results about unbounded convergences in Banach lattices

open access: yesپژوهش‌های ریاضی, 2022
Introduction Suppose E is a Banach lattice. A net (xα) in E is said to be unbounded absolute weak convergent (uaw-convergent, for short) to x∈E provided that the net (xα-x˄u) convergences to zero, weakly, whenever u∈E+.
Omid Zabeti
doaj  

Weyl semimetal/insulator transition from holography

open access: yesJournal of High Energy Physics, 2018
We study a holographic model which exhibits a quantum phase transition from the strongly interacting Weyl semimetal phase to an insulating phase. In the holographic insulating phase there is a hard gap in the real part of frequency dependent diagonal ...
Yan Liu, Junkun Zhao
doaj   +1 more source

Periodic problems for strongly nonlinear second-order differential inclusions

open access: yes, 2002
In this paper, we study periodic problems for second-order differential inclusions in RN with a maximal monotone term. The nonlinear differential operator is not necessarily homogeneous, does not obey any growth condition and incorporates as a special ...
Matzakos, Nikolaos   +8 more
core   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Factorization of strongly (p,sigma)-continuous multilinear operators [PDF]

open access: yes, 2014
We introduce the new ideal of strongly-continuous linear operators in order to study the adjoints of the -absolutely continuous linear operators. Starting from this ideal we build a new multi-ideal by using the composition method.
Achour, D.   +3 more
core   +1 more source

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