Search Results - "VECTOR fields"

Tagged Barcodes for the Topological Analysis of Gradient-Like Vector Fields.

Authors: Bannwart, Clemens Landi, Claudia

Source: SIAM Journal on Applied Dynamical Systems. 2025, Vol. 24 Issue 4, p2685-2733. 49p.

Subject Terms: RIEMANNIAN manifolds, VECTOR fields, TOPOLOGICAL fields, TOPOLOGY

Optimal transport of measures via autonomous vector fields.

Authors: De Nitti, Nicola Fernández-Real, Xavier

Source: Transactions of the American Mathematical Society. Dec2025, Vol. 378 Issue 12, p8565-8592. 28p.

Subject Terms: *PROBABILITY measures, *VECTOR fields, *LIPSCHITZ continuity, *TRANSPORTATION costs, *FLOW velocity

Relative helicity and tiling twist.

Authors: Khesin, Boris Saldanha, Nicolau C.

Source: Transactions of the American Mathematical Society. Dec2025, Vol. 378 Issue 12, p8759-8782. 24p.

Subject Terms: *MATHEMATICAL invariants, *VECTOR fields, *TESSELLATIONS (Mathematics), *COMBINATORICS, *MATHEMATICAL transformations

Surfaces with Central Configuration and Dulac's Problem for a Three Dimensional Isolated Hopf Singularity.

Authors: Corral, Nuria Martín-Vega, María Sanz Sánchez, Fernando

Source: Journal of Dynamics & Differential Equations. Dec2025, Vol. 37 Issue 4, p2981-3023. 43p.

Subject Terms: *VECTOR fields, *LIMIT cycles, *GEOMETRIC approach, *GEOMETRIC surfaces, *INVARIANT sets

Anosov Vector Fields and Fried Sections.

Authors: Bismut, Jean-Michel Shen, Shu

Source: Communications in Mathematical Physics. Oct2025, Vol. 406 Issue 10, p1-93. 93p.

Subject Terms: *VECTOR bundles, *VECTOR fields, *COMPACT spaces (Topology), *MANIFOLDS (Mathematics), *COHOMOLOGY theory

Classifications of gradient almost Ricci solitons within the framework of closed conformal vector fields.

Authors: ALI, Akram MOFARREH, Fatemah LEE, Jae Won

Source: Turkish Journal of Mathematics. 2025, Vol. 49 Issue 6, p714-726. 13p.

Subject Terms: *EINSTEIN manifolds, *VECTOR fields, *TAXONOMY

Adaptive, Goal-Oriented Navigation Using a Model of Directionally-Polarized Place Cells.

Authors: Espino, Harrison Krichmar, Jeffrey L.

Source: Adaptive Behavior. Oct-Dec2025, Vol. 33 Issue 5/6, p279-290. 12p.

Subject Terms: *DEEP reinforcement learning, *VECTOR fields, *GOAL (Psychology), *CELL populations, *HIPPOCAMPUS (Brain)

Universal central extension of the Lie algebra of exact divergence-free vector fields.

Authors: Janssens, Bas Ryvkin, Leonid Vizman, Cornelia

Source: Journal für die Reine und Angewandte Mathematik. Oct2025, Vol. 2025 Issue 827, p253-284. 32p.

Subject Terms: *LIE algebras, *VECTOR fields, *MANIFOLDS (Mathematics), *DIFFEOMORPHISMS, *ALGEBRA, *INFINITE dimensional Lie algebras

Kahan–Hirota–Kimura maps preserving original cubic Hamiltonians

Authors: Mañosa Fernández, Víctor Pantazi, Chara

Source: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona

Subject Terms: Àrees temàtiques de la UPC::Matemàtiques i estadística, Nonlinear Sciences - Exactly Solvable and Integrable Systems, 37J35, 37J11, 37J70, 37M15, 14E05, FOS: Physical sciences, Dynamical Systems (math.DS), Kahan-Hirota-Kimura discretization, Lie Symmetries, Hamiltonian vector fields, Symplectic maps, FOS: Mathematics, Mathematics - Dynamical Systems, Exactly Solvable and Integrable Systems (nlin.SI), Integrable maps, Kahan–Hirota–Kimura discretization

File Description: application/pdf

Access URL: http://arxiv.org/abs/2405.01321
https://ddd.uab.cat/record/313598
https://arxiv.org/abs/2405.01321
https://hdl.handle.net/2117/432833
https://doi.org/10.1016/j.matcom.2025.05.002

Quadratic vector fields in class I.

Authors: Carles Artés, Joan Chen, Hebai Manel Ferrer, Lluc et al.

Source: Dynamical Systems: An International Journal. Jun2025, Vol. 40 Issue 2, p191-222. 32p.

Subject Terms: VECTOR fields, QUADRATIC fields, SYMBOLIC computation, PROJECTIVE spaces, NUMERICAL calculations, LIMIT cycles, BIFURCATION diagrams

A neural poly-vector based non-orthogonal frame field generation method for quad meshing.

Authors: Yu, Yanchao Li, Ni Gong, Guanghong et al.

Source: Scientific Reports. 9/29/2025, Vol. 15 Issue 1, p1-16. 16p.

Subject Terms: *COMPUTER-aided engineering, *VECTOR fields, *NUMERICAL grid generation (Numerical analysis), *ARTIFICIAL neural networks

New analysis of overlapping Schwarz methods for vector field problems in three dimensions with generally shaped domains.

Authors: Oh, Duk-Soon Zhang, Shangyou

Source: Journal of Numerical Mathematics. Sep2025, p1. 28p. 9 Illustrations.

Subject Terms: *VECTOR fields, *NUMERICAL analysis, *GALERKIN methods, *COMPUTER simulation, *STABILITY criterion

Tool Path Planning Method for Parametric Surfaces Based on the Piecewise Coons Stream Function Reconstruction on Hierarchical T-Meshes.

Authors: Yingshi Li Chongjun Li Jiao Huang et al.

Source: Journal of Manufacturing Science & Engineering. Sep2025, Vol. 147 Issue 9, p1-16. 16p.

Subject Terms: *MACHINING, *VECTOR fields, *ROBOTIC path planning, *CURVED surfaces

Cosmic no‐hair conjecture and conformal vector fields.

Authors: Hwang, Seungsu Yun, Gabjin

Source: Mathematische Nachrichten. Sep2025, Vol. 298 Issue 9, p3061-3074. 14p.

Subject Terms: *RIEMANNIAN manifolds, *VECTOR fields, *EQUATIONS, *CONFORMAL mapping, *BOUNDARY value problems

Statistical conformal killing vector field (SCKVF) on Newtonian gauge space-times.

Authors: Peyghan, Esmaeil Nourmohammadifar, Leila Khan, Suhail

Source: Journal of Mathematical Physics. Sep2025, Vol. 66 Issue 9, p1-19. 19p.

Subject Terms: *SPACETIME, *VECTOR fields, *AFFINE geometry, *CONFORMAL invariants, *TENSOR fields

On singular behaviour in a plane linear elastostatics problem.

Authors: Gimperlein, Heiko Grinfeld, Michael Knops, Robin J et al.

Source: Mathematics & Mechanics of Solids. Sep2025, Vol. 30 Issue 9, p1979-2000. 22p.

Subject Terms: *VECTOR fields, *MATHEMATICAL singularities, *ELASTICITY, *POTENTIAL theory (Mathematics), *GEOMETRIC shapes

Abnormal singular foliations and the Sard conjecture for generic co-rank one distributions.

Authors: Belotto da Silva, André Parusiński, Adam Rifford, Ludovic

Source: Revista Mathemática Iberoamericana. 2025, Vol. 41 Issue 5, p1599-1628. 30p.

Subject Terms: *VECTOR fields, *LOGICAL prediction, *GEOMETRY

On a class of Beltrami vector fields and associated exact solutions to the Navier–Stokes equations.

Authors: Baron, Alexander¹ (AUTHOR) baron121@mail.ru

Source: Physics of Fluids. Sep2025, Vol. 37 Issue 9, p1-10. 10p.

Subject Terms: *NAVIER-Stokes equations, *VECTOR fields, *INCOMPRESSIBLE flow, *FLUID dynamics, *ANALYTICAL solutions, *ENERGY dissipation, *BOUNDARY value problems, *STREAM function

ON A GENERALIZATION OF WASSERSTEIN DISTANCE AND THE BECKMANN PROBLEM TO CONNECTION GRAPHS.

Authors: ROBERTSON, SAWYER JACK KOHLI, DHRUV MISHNE, GAL et al.

Source: SIAM Journal on Scientific Computing. 2025, Vol. 47 Issue 5, pA2774-A2800. 27p.

Subject Terms: *VECTOR fields, *TRANSPORTATION costs, *GRAPH connectivity, *CLUSTER analysis (Statistics)

Generalized Beltrami Fields. Exact Solutions.

Authors: Neshchadim, M. V.¹ (AUTHOR) neshch@math.nsc.ru

Source: Siberian Mathematical Journal. Sep2025, Vol. 66 Issue 5, p1235-1241. 7p.

Subject Terms: *INTEGRABLE systems, *VECTOR fields, *VECTOR valued functions, *FIELD theory (Physics), *MATHEMATICAL analysis, *MATHEMATICS