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Locally Conformal Kähler Geometry
. E C, 0 1'1 1, and n E Z, n ~ 2. Let~.. be the O-dimensional Lie n group generated by the transformation z ~ >.z, z E C - {a}. Then (cf.
Principles of Locally Conformally Kähler Geometry
This monograph introduces readers to locally conformally Kähler (LCK) geometry and provides an extensive overview of the most current results. A rapidly developing area in complex geometry dealing with non-Kähler manifolds, LCK geometry has strong links to many other areas of mathematics, including algebraic geometry, topology, and complex analysis. The authors emphasize these connections to create a unified and rigorous treatment of the subject suitable for both students and researchers. Part I builds the necessary foundations for those approaching LCK geometry for the first time with full, mostly self-contained proofs and also covers material often omitted from textbooks, such as contact...
Understanding and Conscious Experience
This volume explores how understanding relates to conscious experience. In doing so, it builds bridges between different philosophical disciplines and provides a metaphysically robust characterization of understanding, both in and beyond science. The past two decades have witnessed growing interest from epistemologists, philosophers of science, philosophers of mind and ethicists in the nature and value of intellectual understanding. This volume features original essays on understanding and the phenomenal experiences that underlie it. The chapters are divided into three thematic sections. Part 1 provides theoretical characterizations of understanding, including Henk de Regt’s defense of a c...
Viața ca o glumă proastă - Editura Nemira
Roman nominalizat la Festival du Premier Roman de Chambéry 2023. Arta ratării liber consimțite. Din timpul serviciului militar obligatoriu și până la retragerea voită din viața profesională și socială, călcăm pe urmele lui Paul, protagonistul romanului de față, urme lăsate atât în propria geografie interioară, cât și în cea a apropiaților – familie, prieteni, partenere – și a colaboratorilor. Tragem cu urechea la conversațiile sale sau ale celor din jurul lui, îl însoțim în călătorii, parcurgem jurnale și e-mailuri, îi scotocim în gânduri vreme de mai bine de treizeci de ani. O reconstrucție minuțioasă, în fond, a unei vieți care are toate premisel...
New Developments in Differential Geometry, Budapest 1996
Proceedings of the Conference on Differential Geometry, Budapest, Hungary, July 27-30, 1996
Quaternionic Structures In Mathematics And Physics - Proceedings Of The Second Meeting
During the last five years, after the first meeting on “Quaternionic Structures in Mathematics and Physics”, interest in quaternionic geometry and its applications has continued to increase. Progress has been made in constructing new classes of manifolds with quaternionic structures (quaternionic Kähler, hyper-Kähler, hyper-complex, etc.), studying the differential geometry of special classes of such manifolds and their submanifolds, understanding relations between the quaternionic structure and other differential-geometric structures, and also in physical applications of quaternionic geometry. Some generalizations of classical quaternion-like structures (like HKT structures and hyper-Kähler manifolds with singularities) appeared naturally and were studied. Some of those results are published in this book.
Global Differential Geometry
Alfred Gray's work covered a great part of differential geometry. In September 2000, a remarkable International Congress on Differential Geometry was held in his memory in Bilbao, Spain. Mathematicians from all over the world, representing 24 countries, attended the event. This volume includes major contributions by well known mathematicians (T. Banchoff, S. Donaldson, H. Ferguson, M. Gromov, N. Hitchin, A. Huckleberry, O. Kowalski, V. Miquel, E. Musso, A. Ros, S. Salamon, L. Vanhecke, P. Wellin and J.A. Wolf), the interesting discussion from the round table moderated by J.-P. Bourguignon, and a carefully selected and refereed selection of the Short Communications presented at the Congress. This book represents the state of the art in modern differential geometry, with some general expositions of some of the more active areas: special Riemannian manifolds, Lie groups and homogeneous spaces, complex structures, symplectic manifolds, geometry of geodesic spheres and tubes and related problems, geometry of surfaces, and computer graphics in differential geometry.
Quaternionic Contact Einstein Structures and the Quaternionic Contact Yamabe Problem
A partial solution of the quaternionic contact Yamabe problem on the quaternionic sphere is given. It is shown that the torsion of the Biquard connection vanishes exactly when the trace-free part of the horizontal Ricci tensor of the Biquard connection is zero and this occurs precisely on 3-Sasakian manifolds. All conformal transformations sending the standard flat torsion-free quaternionic contact structure on the quaternionic Heisenberg group to a quaternionic contact structure with vanishing torsion of the Biquard connection are explicitly described. A "3-Hamiltonian form" of infinitesimal conformal automorphisms of quaternionic contact structures is presented.
Lectures on Kähler Geometry
Kähler geometry is a beautiful and intriguing area of mathematics, of substantial research interest to both mathematicians and physicists. This self-contained graduate text provides a concise and accessible introduction to the topic. The book begins with a review of basic differential geometry, before moving on to a description of complex manifolds and holomorphic vector bundles. Kähler manifolds are discussed from the point of view of Riemannian geometry, and Hodge and Dolbeault theories are outlined, together with a simple proof of the famous Kähler identities. The final part of the text studies several aspects of compact Kähler manifolds: the Calabi conjecture, Weitzenböck techniques, Calabi–Yau manifolds, and divisors. All sections of the book end with a series of exercises and students and researchers working in the fields of algebraic and differential geometry and theoretical physics will find that the book provides them with a sound understanding of this theory.
