Results 31 to 40 of about 140,249 (314)

Total boundedness and bornologies

open access: yesTopology and its Applications, 2009
AbstractA set A in a metric space is called totally bounded if for each ε>0 the set can be ε-approximated by a finite set. If this can be done, the finite set can always be chosen inside A. If the finite sets are replaced by an arbitrary approximating family of sets, this coincidence may disappear. We present necessary and sufficient conditions for the
Beer, G, LEVI, SANDRO
openaire   +3 more sources

The projected directive construction and object case marking in Finnish

open access: yesEesti ja Soome-ugri Keeleteaduse Ajakiri, 2017
This article examines object case marking in a Finnish verb structure called the Projected Directive Construction, e.g. Liisa pyysi Matti-a lähte-mä-än ‘Liisa asked Matti to leave’ (Liisa.NOMINATIVE asked Matti-PARTITIVE leave-INF-ILLATIVE).
Yrjö Lauranto
doaj   +1 more source

The Concept of Telicity in English, Romanian and Serbian

open access: yesRomanian Journal of English Studies, 2020
Given that the notion of telicity was simply defined by English linguists as a situation which tends towards a goal, this paper will additionally explain and define telicity in the English language.
Lazović Mihaela
doaj   +1 more source

Investigation of the global dynamics of two exponential-form difference equations systems

open access: yesElectronic Research Archive, 2023
In this study, we investigate the boundedness, persistence of positive solutions, local and global stability of the unique positive equilibrium point and rate of convergence of positive solutions of the following difference equations systems of ...
Merve Kara
doaj   +1 more source

Generalized fractional maximal and integral operators on Orlicz and generalized Orlicz--Morrey spaces of the third kind

open access: yes, 2018
In the present paper, we will characterize the boundedness of the generalized fractional integral operators $I_{\rho}$ and the generalized fractional maximal operators $M_{\rho}$ on Orlicz spaces, respectively.
Deringoz, Fatih   +4 more
core   +1 more source

The boundedness of Bessel-Riesz operators on generalized Morrey spaces [PDF]

open access: yes, 2016
In this paper, we prove the boundedness of Bessel-Riesz operators on generalized Morrey spaces. The proof uses the usual dyadic decomposition, a Hedberg-type inequality for the operators, and the boundedness of Hardy-Littlewood maximal operator.
Eridani, Gunawan, H., Idris, M.
core   +2 more sources

Chemotaxis-Stokes interaction with very weak diffusion enhancement: Blow-up exclusion via detection of absorption-induced entropy structures involving multiplicative couplings

open access: yesAdvanced Nonlinear Studies, 2022
The chemotaxis–Stokes system nt+u⋅∇n=∇⋅(D(n)∇n)−∇⋅(nS(x,n,c)⋅∇c),ct+u⋅∇c=Δc−nc,ut=Δu+∇P+n∇Φ,∇⋅u=0,\left\{\begin{array}{l}{n}_{t}+u\cdot \nabla n=\nabla \cdot (D\left(n)\nabla n)-\nabla \cdot (nS\left(x,n,c)\cdot \nabla c),\\ {c}_{t}+u\cdot \nabla c ...
Winkler Michael
doaj   +1 more source

On a two-species competitive predator-prey system with density-dependent diffusion

open access: yesMathematical Biosciences and Engineering, 2022
This paper deals with a two-species competitive predator-prey system with density-dependent diffusion, i.e., $ \begin{eqnarray*} \label{1a} \left\{ \begin{split}{} &u_t = \Delta (d_{1}(w)u)+\gamma_{1}uF_{1}(w)-uh_{1}(u)-\beta_{1}uv,&(x,t)\in ...
Pan Zheng
doaj   +1 more source

The $\ell^s$-boundedness of a family of integral operators on UMD Banach function spaces

open access: yes, 2018
We prove the $\ell^s$-boundedness of a family of integral operators with an operator-valued kernel on UMD Banach function spaces. This generalizes and simplifies earlier work by Gallarati, Veraar and the author, where the $\ell^s$-boundedness of this ...
A Amenta   +27 more
core   +1 more source

Dense-Timed Petri Nets: Checking Zenoness, Token liveness and Boundedness [PDF]

open access: yes, 2007
We consider Dense-Timed Petri Nets (TPN), an extension of Petri nets in which each token is equipped with a real-valued clock and where the semantics is lazy (i.e., enabled transitions need not fire; time can pass and disable transitions).
Colin Stirling   +3 more
core   +3 more sources

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