Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Kiesenhofer, Anna"'
Publikováno v:
Journal of Geometry and Physics, 2022
Motivated by the group of Galilean transformations and the subgroup of Galilean transformations which fix time zero, we introduce the notion of a $b$-Lie group as a pair $(G,H)$ where $G$ is a Lie group and $H$ is a codimension-one Lie subgroup. Such
Externí odkaz:
http://arxiv.org/abs/2010.04770
Autor:
Kiesenhofer, Anna, Krieger, Joachim
We prove that the half-wave maps problem on $\mathbb{R}^{4+1}$ with target $S^2$ is globally well-posed for smooth initial data which are small in the critical $l^1$ based Besov space. This is a formal analogue of the result for wave maps by Tataru.
Externí odkaz:
http://arxiv.org/abs/1904.12709
Publikováno v:
Bulletin of the London Mathematical Society, Volume 55, Issue 1 February 2023 Pages 90-112
In this article, motivated by the study of symplectic structures on manifolds with boundary and the systematic study of $b$-symplectic manifolds started in [12], we prove a slice theorem for Lie group actions on $b$-symplectic manifolds.
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Externí odkaz:
http://arxiv.org/abs/1811.11894
Publikováno v:
In Journal of Geometry and Physics May 2022 175
Autor:
Kiesenhofer, Anna, Miranda, Eva
Publikováno v:
Regul. Chaotic Dyn. 21 (2016), no. 6, 643-659
In this paper we study non-commutative integrable systems on $b$-Poisson manifolds. One important source of examples (and motivation) of such systems comes from considering non-commutative systems on manifolds with boundary having the right asymptoti
Externí odkaz:
http://arxiv.org/abs/1606.02605
Autor:
Kiesenhofer, Anna, Miranda, Eva
Publikováno v:
Comm. Math. Phys. 350 (2017), no. 3, 1123-1145
We associate cotangent models to a neighbourhood of a Liouville torus in symplectic and Poisson manifolds focusing on a special class called $b$-Poisson/$b$-symplectic manifolds. The semilocal equivalence with such models uses the corresponding actio
Externí odkaz:
http://arxiv.org/abs/1601.05041
Publikováno v:
J. Geom. Phys. 115 (2017), 89-97
We present a collection of examples borrowed from celestial mechanics and projective dynamics. In these examples symplectic structures with singularities arise naturally from regularization transformations, Appell's transformation or classical change
Externí odkaz:
http://arxiv.org/abs/1512.08293
Publikováno v:
J. Math. Pures Appl. (9) 105 (2016), no. 1, 66-85
In this article we prove an action-angle theorem for b-integrable systems on b-Poisson manifolds improving the action-angle theorem contained in [LMV11] for general Poisson manifolds in this setting. As an application, we prove a KAM-type theorem for
Externí odkaz:
http://arxiv.org/abs/1502.03489
Publikováno v:
In Journal of Geometry and Physics May 2017 115:89-97
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