Locally Toric Manifolds And Singular Bohr Sommerfeld Leaves
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Author | : Mark D. Hamilton |
Publisher | : |
Total Pages | : 60 |
Release | : 2010 |
Genre | : MATHEMATICS |
ISBN | : 9781470405854 |
Download Locally Toric Manifolds and Singular Bohr-Sommerfeld Leaves Book in PDF, Epub and Kindle
"When geometric quantization is applied to a manifold using a real polarization which is 'nice enough', a result of Sniatycki says that the quantization can be found by counting certain objects, called Bohr-Sommerfeld leaves. Subsequently, several authors have taken this as motivation for counting Bohr-Sommerfeld leaves when studying the quantization of manifolds which are less 'nice'. In this paper, the author examines the quantization of compact symplectic manifolds that can locally be modelled by a toric manifold, using a real polarization modelled on fibres of the moment map. The author computes the results directly and obtains a theorem similar to Sniatycki's, which gives the quantization in terms of counting Bohr-Sommerfeld leaves. However, the count does not include the Bohr-Sommerfeld leaves which are singular. Thus the quantization obtained is different from the quantization obtained using a Kähler polarization."--Publisher's description.
Author | : Mark D. Hamilton |
Publisher | : American Mathematical Soc. |
Total Pages | : 73 |
Release | : 2010 |
Genre | : Mathematics |
ISBN | : 0821847147 |
Download Locally Toric Manifolds and Singular Bohr-Sommerfeld Leaves Book in PDF, Epub and Kindle
"Volume 207, number 971 (first of 5 numbers)."
Author | : Mark Hamilton |
Publisher | : |
Total Pages | : 178 |
Release | : 2005 |
Genre | : |
ISBN | : |
Download Singular Bohr-Sommerfeld Leaves and Geometric Quantization Book in PDF, Epub and Kindle
Author | : Daniel Allcock |
Publisher | : American Mathematical Soc. |
Total Pages | : 89 |
Release | : 2011 |
Genre | : Mathematics |
ISBN | : 0821847511 |
Download The Moduli Space of Cubic Threefolds as a Ball Quotient Book in PDF, Epub and Kindle
"Volume 209, number 985 (fourth of 5 numbers)."
Author | : Zenon Jan Jablónski |
Publisher | : American Mathematical Soc. |
Total Pages | : 122 |
Release | : 2012 |
Genre | : Mathematics |
ISBN | : 0821868683 |
Download Weighted Shifts on Directed Trees Book in PDF, Epub and Kindle
A new class of (not necessarily bounded) operators related to (mainly infinite) directed trees is introduced and investigated. Operators in question are to be considered as a generalization of classical weighted shifts, on the one hand, and of weighted adjacency operators, on the other; they are called weighted shifts on directed trees. The basic properties of such operators, including closedness, adjoints, polar decomposition and moduli are studied. Circularity and the Fredholmness of weighted shifts on directed trees are discussed. The relationships between domains of a weighted shift on a directed tree and its adjoint are described. Hyponormality, cohyponormality, subnormality and complete hyperexpansivity of such operators are entirely characterized in terms of their weights. Related questions that arose during the study of the topic are solved as well.
Author | : Michael Aschbacher |
Publisher | : American Mathematical Soc. |
Total Pages | : 122 |
Release | : 2011-01-20 |
Genre | : Mathematics |
ISBN | : 0821853031 |
Download The Generalized Fitting Subsystem of a Fusion System Book in PDF, Epub and Kindle
Here, the author seeks to build a local theory of fusion systems, analogous to the local theory of finite groups, involving normal subsystems and factor systems.
Author | : Mark P. Walsh |
Publisher | : American Mathematical Soc. |
Total Pages | : 105 |
Release | : 2011 |
Genre | : Mathematics |
ISBN | : 082185304X |
Download Metrics of Positive Scalar Curvature and Generalised Morse Functions, Part I Book in PDF, Epub and Kindle
It is well known that isotopic metrics of positive scalar curvature are concordant. Whether or not the converse holds is an open question, at least in dimensions greater than four. The author shows that for a particular type of concordance, constructed using the surgery techniques of Gromov and Lawson, this converse holds in the case of closed simply connected manifolds of dimension at least five.
Author | : Thomas Lam |
Publisher | : American Mathematical Soc. |
Total Pages | : 103 |
Release | : 2010 |
Genre | : Mathematics |
ISBN | : 0821846582 |
Download Affine Insertion and Pieri Rules for the Affine Grassmannian Book in PDF, Epub and Kindle
The authors study combinatorial aspects of the Schubert calculus of the affine Grassmannian ${\rm Gr}$ associated with $SL(n,\mathbb{C})$.Their main results are: Pieri rules for the Schubert bases of $H^*({\rm Gr})$ and $H_*({\rm Gr})$, which expresses the product of a special Schubert class and an arbitrary Schubert class in terms of Schubert classes. A new combinatorial definition for $k$-Schur functions, which represent the Schubert basis of $H_*({\rm Gr})$. A combinatorial interpretation of the pairing $H^*({\rm Gr})\times H_*({\rm Gr}) \rightarrow\mathbb Z$ induced by the cap product.
Author | : Kenneth R. Davidson |
Publisher | : American Mathematical Soc. |
Total Pages | : 68 |
Release | : 2011 |
Genre | : Mathematics |
ISBN | : 0821853023 |
Download Operator Algebras for Multivariable Dynamics Book in PDF, Epub and Kindle
Let $X$ be a locally compact Hausdorff space with $n$ proper continuous self maps $\sigma_i:X \to X$ for $1 \le i \le n$. To this the authors associate two conjugacy operator algebras which emerge as the natural candidates for the universal algebra of the system, the tensor algebra $\mathcal{A}(X,\tau)$ and the semicrossed product $\mathrm{C}_0(X)\times_\tau\mathbb{F}_n^+$. They develop the necessary dilation theory for both models. In particular, they exhibit an explicit family of boundary representations which determine the C*-envelope of the tensor algebra.|Let $X$ be a locally compact Hausdorff space with $n$ proper continuous self maps $\sigma_i:X \to X$ for $1 \le i \le n$. To this the authors associate two conjugacy operator algebras which emerge as the natural candidates for the universal algebra of the system, the tensor algebra $\mathcal{A}(X,\tau)$ and the semicrossed product $\mathrm{C}_0(X)\times_\tau\mathbb{F}_n^+$. They develop the necessary dilation theory for both models. In particular, they exhibit an explicit family of boundary representations which determine the C*-envelope of the tensor algebra.
Author | : Christophe Breuil |
Publisher | : American Mathematical Soc. |
Total Pages | : 127 |
Release | : 2012-02-22 |
Genre | : Mathematics |
ISBN | : 0821852272 |
Download Towards a Modulo $p$ Langlands Correspondence for GL$_2$ Book in PDF, Epub and Kindle
The authors construct new families of smooth admissible $\overline{\mathbb{F}}_p$-representations of $\mathrm{GL}_2(F)$, where $F$ is a finite extension of $\mathbb{Q}_p$. When $F$ is unramified, these representations have the $\mathrm{GL}_2({\mathcal O}_F)$-socle predicted by the recent generalizations of Serre's modularity conjecture. The authors' motivation is a hypothetical mod $p$ Langlands correspondence.