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The launch of this Advanced Lectures in Mathematics series is aimed at keeping mathematicians informed of the latest developments in mathematics, as well as to aid in the learning of new mathematical topics by students all over the world. Each volume consists of either an expository monograph or a collection of signifi-cant introductions to important topics. This series emphasizes the history and sources of motivation for the topics under discussion, and also gives an over view of the current status of research in each particular field. These volumes are the first source to which people will turn in order to learn new subjects and to discover the latest results of many cutting-edge fields in mathematics. Geometric Analysis combines differential equations and differential geometry. Animportant aspect is to solve geometric problems by studying differential equations. Besides some known linear differential operators such as the laplace operator, many differential equations arising from differential geometry are nonlinear. Aparticularly important example is the Monge-Ampre equation. Applications to geometric problems have also motivated new methods and techniques in differential equations. The field of geometric analysis is broad and has had many striking applications. This handbook of geometric analysis provides introductions to andsurveys of important topics in geometric analysis and their applications to related fields which is intend to be referred by graduate students and researchers in related areas.
內容簡介
Geometric Analysis combines differential equations and differential geometry. An important aspect is to solve geometric problems by studying differential equations.Besides some known linear differential operators such as the Laplace operator,many differential equations arising from differential geometry are nonlinear. A particularly important example is the IVlonge-Ampere equation; Applications to geometric problems have also motivated new methods and techniques in differen-rial equations. The field of geometric analysis is broad and has had many striking applications. This handbook of geometric analysis provides introductions to and surveys of important topics in geometric analysis and their applications to related fields which is intend to be referred by graduate students and researchers in related areas.
內頁插圖
目錄
Heat Kernels on Metric Measure Spaces with Regular Volume Growth
Alexander Griqoryan
1 Introduction
1.1 Heat kernel in Rn
1.2 Heat kernels on Riemannian manifolds
1.3 Heat kernels of fractional powers of Laplacian
1.4 Heat kernels on fractal spaces
1.5 Summary of examples
2 Abstract heat kernels
2.1 Basic definitions
2.2 The Dirichlet form
2.3 Identifying in the non-local case
2.4 Volume of balls
3 Besov spaces
3.1 Besov spaces in Rn
3.2 Besov spaces in a metric measure space
3.3 Embedding of Besov spaces into HSlder spaces.
4 The energy domain
4.1 A local case
4.2 Non-local case
4.3 Subordinated heat kernel
4.4 Bessel potential spaces
5 The walk dimension
5.1 Intrinsic characterization of the walk dimension
5.2 Inequalities for the walk dimension
6 Two-sided estimates in the local case
6.1 The Dirichlet form in subsets
6.2 Maximum principles
6.3 A tail estimate
6.4 Identifying in the local case
References
A Convexity Theorem and Reduced Delzant Spaces Bong H. Lian, Bailin Song
1 Introduction
2 Convexity of image of moment map
3 Rationality of moment polytope
4 Realizing reduced Delzant spaces
5 Classification of reduced Delzant spaces
References
Localization and some Recent Applications
Bong H. Lian, Kefeng Liu
1 Introduction
2 Localization
3 Mirror principle
4 Hori-Vafa formula
5 The Marino-Vafa Conjecture
6 Two partition formula
7 Theory of topological vertex
8 Gopakumar-Vafa conjecture and indices of elliptic operators..
9 Two proofs of the ELSV formula
10 A localization proof of the Witten conjecture
11 Final remarks
References
Gromov-Witten Invariants of Toric Calabi-Yau Threefolds Chiu-Chu Melissa Liu
1 Gromov-Witten invariants of Calabi-Yau 3-folds
1.1 Symplectic and algebraic Gromov-Witten invariants
1.2 Moduli space of stable maps
1.3 Gromov-Witten invariants of compact Calabi-Yau 3-folds
1.4 Gromov-Witten invariants of noncompact Calabi-Yau 3-folds
2 Traditional algorithm in the toric case
2.1 Localization
2.2 Hodge integrals
3 Physical theory of the topological vertex
4 Mathematical theory of the topological vertex
4.1 Locally planar trivalent graph
4.2 Formal toric Calabi-Yau (FTCY) graphs
4.3 Degeneration formula
4.4 Topological vertex "
4.5 Localization
4.6 Framing dependence
4.7 Combinatorial expression
4.8 Applications
4.9 Comparison
5 GW/DT correspondences and the topological vertex
Acknowledgments
References
Survey on Affine Spheres
John Loftin
1 Introduction
2 Affine structure equations
3 Examples
4 Two-dimensional affine spheres and Titeicas equation
5 Monge-Ampre equations and duality
6 Global classification of affine spheres
7 Hyperbolic affine spheres and invariants of convex cones
8 Projective manifolds
9 Affine manifolds
10 Affine maximal hypersurfaces
11 Affine normal flow
References
Convergence and Collapsing Theorems in Riemannian Geometry
Xiaochun Rong
Introduction
1 Gromov-Hausdorff distance in space of metric spaces
1.1 The Gromov-Hausdorff distance
1.2 Examples
1.3 An alternative formulation of GH-distance
1.4 Compact subsets of (Met, dGH)
1.5 Equivariant GH-convergence
1.6 Pointed GH-convergence
2 Smooth limits-fibrations
2.1 The fibration theorem
2.2 Sectional curvature comparison
2.3 Embedding via distance functions
2.4 Fibrations
2.5 Proof of theorem 2.1.1
2.6 Center of mass
2.7 Equivariant fibrations
2.8 Applications of the fibration theorem
3 Convergence theorems
3.1 Cheeger-Gromovs convergence theorem
3.2 Injectivity radius estimate
3.3 Some elliptic estimates
3.4 Harmonic radius estimate
3.5 Smoothing metrics
4 Singular limits-singular fibrations
4.1 Singular fibrations
4.2 Controlled homotopy structure by geometry
4.3 The ∏2-finiteness theorem
4.4 Collapsed manifolds with pinched positive sectional curvature
5 Almost flat manifolds
5.1 Gromovs theorem on almost flat manifolds
5.2 The Margulis lemma
5.3 Flat connections with small torsion
5.4 Flat connection with a parallel torsion
5.5 Proofs——part I
5.6 Proofs——part II
5.7 Refined fibration theorem
References
Geometric Transformations and Soliton Equations
Chuu-Lian Terng "
1 Introduction
2 The moving frame method for submanifolds
3 Line congruences and Backlund transforms
4 Sphere congruences and Ribaucour transforms
5 Combescure transforms, O-surfaces, and k-tuples
6 From moving frame to Lax pair
7 Soliton hierarchies constructed from symmetric spaces
8 The U-system and the Gauss-Codazzi equations
9 Loop group actions
10 Action of simple elements and geometric transforms
References
Affine Integral Geometry from a Differentiable Viewpoint
Deane Yang
1 Introduction
2 Basic definitions and notation
2.1 Linear group actions
3 Objects of study
3.1 Geometric setting
3.2 Convex body
3.3 The space of all convex bodies
3.4 Valuations
4 Overall strategy
5 Fundamental constructions
5.1 The support function
5.3 The polar body
5.4 The inverse Gauss map
5.5 The second fundamental form
5.6 The Legendre transform
5.7 The curvature function The homogeneous contour integral
6.1 Homogeneous functions and differential forms
6.2 The homogeneous contour integral for a differential form
6.3 The homogeneous contour integral for a measure
6.4 Homogeneous integral calculus
7 An explicit construction of valuations
7.1 Duality
7.2 Volume
8 Classification of valuations
9 Scalar valuations
9.1 SL(n)-invariant valuations
9.2 Hugs theorem
10 Continuous GL(n)-homogeneous valuations
10.1 Scalar valuations
10.2 Vector-valued valuations
11 Matrix-valued valuations.
11.1 The Cramer-Rao inequality
12 Homogeneous function- and convex body-valued valuations.
13 Questions
References
Classification of Fake Projective Planes
Sai-Kee Yeung
1 Introduction
2 Uniformization of fake projective planes
3 Geometric estimates on the number of fake projective planes.
4 Arithmeticity of lattices associated to fake projective planes.
5 Covolume formula of Prasad
6 Formulation of proof
7 Statements of the results
8 Further studies
References
前言/序言
The marriage of geometry and analysis, in particular non-linear differential equations, has been very fruitful. An early deep application of geometric analysis is the celebrated solution by Shing-Tung Yau of the Calabi conjecture in 1976. In fact, Yau together with many of his collaborators developed important techniques in geometric analysis in order to solve the Calabi conjecture. Besides solving many open problems in algebraic geometry such as the Severi conjecture, the characterization of complex projective varieties, and characterization of certain Shimura varieties, the Calabi-Yau manifolds also provide the basic building blocks in the superstring theory model of the universe. Geometric analysis has also been crucial in solving many outstanding problems in low dimensional topology, for example, the Smith conjecture, and the positive mass conjecture in general relativity.
Geometric analysis has been intensively studied and highly developed since 1970s, and it is becoming an indispensable tool for understanding many parts of mathematics. Its success also brings with it the difficulty for the uninitiated to appreciate its breadth and depth. In order to introduce both beginners and non-experts to this fascinating subject, we have decided to edit this handbook of geometric analysis. Each article is written by a leading expert in the field and will serve as both an introduction to and a survey of the topics under discussion. The handbook of geometric analysis is divided into several parts, and this volume is the second part.
Shing-Tung Yau has been crucial to many stages of the development of geo- metric analysis. Indeed, his work has played an important role in bringing the well-deserved global recognition by the whole mathematical sciences community to the field of geometric analysis. In view of this, we would like to dedicate this handbook of geometric analysis to Shing-Tung Yau on the occasion of his sixtieth birthday.
Summarizing the main mathematical contributions of Yau will take many pages and is probably beyond the capability of the editors. Instead, we quote several award citations on the work of Yau.
The citation of the Veblen Prize for Yau in 1981 says: "We have rarely had the opportunity to witness the spectacle of the work of one mathematician affecting, in a short span of years, the direction of whole areas of research Few mathematicians can match Yaus achievements in depth, in impact, and in the diversity of methods and applications."