Results 31 to 40 of about 3,553 (102)

Partial actions of monoids [PDF]

, 2007
We investigate partial monoid actions, in the sense of Megrelishvili and Schroeder [12]. These are equivalent to a class of premorphisms, which we call strong premorphisms.
Hollings, Christopher
core   +1 more source

Multiple solutions for a parametric Steklov problem involving the $p(x)$-Laplacian operator

Electronic Journal of Qualitative Theory of Differential Equations
In this paper, we study the existence and multiplicity of weak solutions for a Steklov problem involving $p(x)$-Laplacian operator in a bounded domain $\Omega \subset \mathbb{R}^N\ (N\geq2)$ with smooth boundary $\partial \Omega$.
Aboubacar Abdou, Mohamed Karimou Gazibo, Aboubacar Marcos   +2 more
doaj   +1 more source

Multiplicity Results of Solutions to the Fractional p-Laplacian Problems of the Kirchhoff–Schrödinger–Hardy Type

Mathematics
This paper is devoted to establishing multiplicity results of nontrivial weak solutions to the fractional p-Laplacian equations of the Kirchhoff–Schrödinger type with Hardy potentials.
Yun-Ho Kim
doaj   +1 more source

Predictions of Equatorial Vertical Plasma Drift Using TEC Data and a Neural Network Model

Earth and Space Science, Volume 12, Issue 6, June 2025.
Abstract Vertical plasma drift, vz, plays a key role in the dynamics, morphology, and space weather effects of the equatorial and low latitude ionosphere. Modeling the drift has been an on‐going effort for climatology‐based prediction. To address daily prediction, the Vertical drIfts: Predicting Equatorial ionospheRic dynamics (VIPER) model has been ...
S. A. Reddy, X. Pi, C. Forsyth, A. Aruliah, A. Smith   +4 more
wiley   +1 more source

Mechanisms of Solute Transport in Ice‐Supersaturated Debris: 2. Rock Glacier Hydrology in Alpine Glacial‐Periglacial Systems

Water Resources Research, Volume 61, Issue 2, February 2025.
Abstract Active rock glaciers represent permafrost‐affected aquifers that store freshwater in alpine headwater catchments. Groundwater flow in these aquifers is altered by degrading permafrost and the development of preferential flow paths in the subsurface.
Simon Seelig, Magdalena Seelig, Karl Krainer, Gerfried Winkler   +3 more
wiley   +1 more source

On Lattices of Varieties of Restriction Semigroups [PDF]

, 2012
The left restriction semigroups have arisen in a number of contexts, one being as the abstract characterization of semigroups of partial maps, another as the ‘weakly left E-ample’ semigroups of the ‘York school’, and, more recently as a variety of unary ...
Jones, Peter R.
core   +1 more source

Extending the Ehresmann-Schein-Nambooripad Theorem

, 2009
We extend the `join-premorphisms' part of the Ehresmann-Schein-Nambooripad Theorem to the case of two-sided restriction semigroups and inductive categories, following on from a result of Lawson (1991) for the `morphisms' part.
C. Hollings, C. Hollings, Christopher Hollings, D.B. McAlister, G.M.S. Gomes, J. Fountain, J. Fountain, J. Fountain, J.-C. Birget, J.R.B. Cockett, M. Jackson, M.B. Szendrei, M.V. Lawson, M.V. Lawson, N. Jacobson, N.D. Gilbert, S. Armstrong, V. Gould   +17 more
core   +1 more source

Cluster categories for completed infinity‐gons I: Categorifying triangulations

Journal of the London Mathematical Society, Volume 111, Issue 2, February 2025.
Abstract Paquette and Yıldırım recently introduced triangulated categories of arcs in completed infinity‐gons, which are discs with an infinite closed set of marked points on their boundary. These categories have many features in common with the cluster categories associated to discs with different sets of marked points. In particular, they have (weak)
İlke Çanakçı, Martin Kalck, Matthew Pressland   +2 more
wiley   +1 more source

Multiple solutions for a self-consistent Dirac equation in two dimensions

, 2018
This paper is devoted to the variational study of an effective model for the electron transport in a graphene sample. We prove the existence of infinitely many stationary solutions for a nonlin-ear Dirac equation which appears in the WKB limit for the ...
Borrelli, William
core   +1 more source

Georegistration Improvements Using ArUco Markers as Ground Control Points for Fast Deployment of 3D Map Reconstruction

Journal of Robotics, Volume 2025, Issue 1, 2025.
Three‐dimensional map reconstructions provide representations of environments suitable for many robotics applications. However, the issue of scale error continues to hinder its practical applicability. This paper seeks to address this limitation by deploying advanced georegistration modalities integrated into the structure‐from‐motion (SfM) pipeline ...
Anh Quang Nguyen, Truong Giang Dao, Hai Duong Tran, Trung Hieu Tran, Ngoc Phong Dao, Dinh Tuan Tran, Clemente Lauretti   +6 more
wiley   +1 more source