A geometric approach to contact Hamiltonians and contact Hamilton–Jacobi theory

K Grabowska, J Grabowski - Journal of Physics A: Mathematical …, 2022 - iopscience.iop.org
We propose a novel approach to contact Hamiltonian mechanics which, in contrast to the
one dominating in the literature, serves also for non-trivial contact structures. In this …

Remarks on contact and Jacobi geometry

AJ Bruce, K Grabowska, J Grabowski - SIGMA. Symmetry, Integrability …, 2017 - emis.de
We present an approach to Jacobi and contact geometry that makes many facts, presented
in the literature in an overcomplicated way, much more natural and clear. The key concepts …

Foundations of ghost stability

VE Díez, JG Rifà, G Staudt - arxiv preprint arxiv:2408.16832, 2024 - arxiv.org
We present a new method to analytically prove global stability in ghost-ridden dynamical
systems. Our proposal encompasses all prior results and consequentially extends them. In …

[HTML][HTML] Linear duals of graded bundles and higher analogues of (Lie) algebroids

AJ Bruce, K Grabowska, J Grabowski - Journal of Geometry and Physics, 2016 - Elsevier
Graded bundles are a class of graded manifolds which represent a natural generalisation of
vector bundles and include the higher order tangent bundles as canonical examples. We …

Graded bundles in the category of Lie groupoids

AJ Bruce, K Grabowska, J Grabowski - SIGMA. Symmetry, Integrability …, 2015 - emis.de
We define and make initial study of Lie groupoids equipped with a compatible homogeneity
(or graded bundle) structure, such objects we will refer to as weighted Lie groupoids. One …

VB-structures and generalizations

K Grabowska, J Grabowski, Z Ravanpak - Annals of Global Analysis and …, 2022 - Springer
Motivated by properties of higher tangent lifts of geometric structures, we introduce concepts
of weighted structures for various geometric objects on a manifold F equipped with a …

Higher-order variational calculus on Lie algebroids

E Martínez - arxiv preprint arxiv:1501.06520, 2015 - arxiv.org
The equations for the critical points of the action functional defined by a Lagrangian
depending on higher-order derivatives of admissible curves on a Lie algebroid are found …

[HTML][HTML] Queer Poisson brackets

D Beltiţă, T Goliński, AB Tumpach - Journal of Geometry and Physics, 2018 - Elsevier
We give a method to construct Poisson brackets {⋅,⋅} on Banach manifolds M, for which the
value of {f, g} at some point may depend on higher order derivatives of the smooth functions …

Second-order constrained variational problems on Lie algebroids: applications to optimal control

L Colombo - arxiv preprint arxiv:1701.04772, 2017 - arxiv.org
The aim of this work is to study, from an intrinsic and geometric point of view, second-order
constrained variational problems on Lie algebroids, that is, optimization problems defined by …

Polarisation of graded bundles

AJ Bruce, J Grabowski, M Rotkiewicz - SIGMA. Symmetry, Integrability …, 2016 - emis.de
We construct the full linearisation functor which takes a graded bundle of degree $ k $(a
particular kind of graded manifold) and produces a $ k $-fold vector bundle. We fully …