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We presented a Hilbert-Mumford criterion for polystablility associated with an action of a real reductive Lie group $G$ on a real submanifold $X$ of a Kahler manifold $Z$. Suppose the action of a compact Lie group with Lie algebra…

Differential Geometry · Mathematics 2025-03-05 Leonardo Biliotti , Oluwagbenga Joshua Windare

Symmetries in quantum mechanics are realized by the projective representations of the Lie group as physical states are defined only up to a phase. A cornerstone theorem shows that these representations are equivalent to the unitary…

Quantum Physics · Physics 2012-01-16 S. G. Low , P. D. Jarvis , R. Campoamor-Stursberg

We define the "localized index" of longitudinal elliptic operators on Lie groupoids associated to Lie algebroid cohomology classes. We derive a topological expression for these numbers using the algebraic index theorem for Poisson manifolds…

K-Theory and Homology · Mathematics 2011-12-22 M. J. Pflaum , H. Posthuma , X. Tang

This paper develops the pre-quantization of Lie group-valued moment maps, and establishes its equivalence with the pre-quantization of infinite-dimensional Hamiltonian loop group spaces.

Symplectic Geometry · Mathematics 2007-05-23 Zohreh Shahbazi

In the case of a compact real analytic symplectic manifold M we describe an approach to the complexification of Hamiltonian flows [Se, Do1, Th1] and corresponding geodesics on the space of Kahler metrics. In this approach, motivated by…

Differential Geometry · Mathematics 2015-01-07 Jose M. Mourao , Joao P. Nunes

This paper is the third in a series dedicated to the fundamentals of sub-Riemannian geometry and its implications in Lie groups theory: "Sub-Riemannian geometry and Lie groups. Part I", math.MG/0210189, available at…

Metric Geometry · Mathematics 2007-05-23 Marius Buliga

We present a K-theoritic approach to the Guillemin-Sternberg conjecture, about the commutativity of geometric quantization and symplectic reduction, which was proved by Meinrenken and Tian-Zhang. Besides providing a new proof of this…

Differential Geometry · Mathematics 2007-05-23 Paul-Emile Paradan

We observe that all classical Hamiltonian systems coming from the invariant polynomials on a reductive Lie algebra g can be integrated in a universal way. This is a consequence of Ng\^o's action of the group scheme J of regular centralizers…

Representation Theory · Mathematics 2017-12-07 David Ben-Zvi , Sam Gunningham

Let $X$ be a compact connected orientable CR manifold with the action of a connected compact Lie group $G$. Under natural pseudoconvexity assumptions we show that the CR Guillemin-Strernberg map is Fredholm at the level of Sobolev spaces of…

Complex Variables · Mathematics 2020-11-04 Chin-Yu Hsiao , Xiaonan Ma , George Marinescu

We consider quantum computational models defined via a Lie-algebraic theory. In these models, specified initial states are acted on by Lie-algebraic quantum gates and the expectation values of Lie algebra elements are measured at the end.…

Quantum Physics · Physics 2009-11-13 Rolando Somma , Howard Barnum , Gerardo Ortiz , Emanuel Knill

Consider a holomorphic torus action on a possibly non-compact K\"ahler manifold. We show that the higher cohomology groups appearing in the geometric quantization of the symplectic quotient are isomorphic to the invariant parts of the…

Symplectic Geometry · Mathematics 2007-05-23 Siye Wu

In an earlier paper, two of the authors defined a $5$-vertex Yang-Baxter algebra (a Hopf algebra) which acts on the sum of the equivariant quantum K-rings of Grassmannians $\mathrm{Gr}(k;n)$, where $k$ varies from $0$ to $n$. We construct…

Algebraic Geometry · Mathematics 2025-04-02 Vassily Gorbounov , Christian Korff , Leonardo C. Mihalcea

In the previous parts of this work, we established the Prequantum Groupoid $\mathbf{T}_\omega$ as the universal geometric container for quantum mechanics. This approach, which we call the "Geometric Quantization by Paths" (GQbP) framework,…

Mathematical Physics · Physics 2026-02-02 Patrick Iglesias-Zemmour

We implement the Hamiltonian treatment of a nonAbelian noncommutative gauge theory, considering with some detail the algebraic structure of the noncommutative symmetry group. The first class constraints and Hamiltonian are obtained and…

High Energy Physics - Theory · Physics 2009-11-07 Ricardo Amorim , Franz A. Farias

We present a systematic study of symmetries, invariants and moduli spaces of classes of coframes. We introduce a classifying Lie algebroid to give a complete description of the solution to Cartan's realization problem that applies to both…

Differential Geometry · Mathematics 2012-10-08 Rui Loja Fernandes , Ivan Struchiner

We prove the existence of a strict deformation quantization for the canonical Poisson structure on the dual of an integrable Lie algebroid. It follows that any Lie groupoid C*-algebra may be regarded as a result of a quantization procedure.…

Mathematical Physics · Physics 2007-05-23 N. P. Landsman , B. Ramazan

Essentially generalizing Lie's results, we prove that the contact equivalence groupoid of a class of (1+1)-dimensional generalized nonlinear Klein-Gordon equations is the first-order prolongation of its point equivalence groupoid, and then…

Mathematical Physics · Physics 2021-06-22 Vyacheslav M. Boyko , Oleksandra V. Lokaziuk , Roman O. Popovych

Geometric representations of solutions provides intuitive physical insights. To which end studying dynamics of Quantum systems via $su (n)$ Lie algebra proves to be convenient way of obtaining geometric solution. In this paper link is…

Quantum Physics · Physics 2017-07-10 Dawit Hiluf

Geometric quantization on a coset space $G/H$ is considered, intending to recover Mackey's inequivalent quantizations. It is found that the inequivalent quantizations can be obtained by adopting the symplectic 2-form which leads to Wong's…

High Energy Physics - Theory · Physics 2009-10-30 Masaomi Kimura

We show that the path construction integration of Lie algebroids by Lie groupoids is an actual equivalence from the category of integrable Lie algebroids and complete Lie algebroid comorphisms to the category of source 1-connected Lie…

Differential Geometry · Mathematics 2020-02-03 Alberto S. Cattaneo , Benoit Dherin , Alan Weinstein