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Families of Conformally Covariant Differential Operators, Q-Curvature and Holography
This book studies structural properties of Q-curvature from an extrinsic point of view by regarding it as a derived quantity of certain conformally covariant families of differential operators which are associated to hypersurfaces.
Spectral Problems in Geometry and Arithmetic
These are the proceedings of the NSF-CBMS Conference on "Spectral Problems in Geometry and Arithmetic" held at the University of Iowa. The principal speaker was Peter Sarnak, who has been a central contributor to developments in this field. The volume approaches the topic from the geometric, physical, and number theoretic points of view. The remarkable new connections among seemingly disparate mathematical and scientific disciplines have surprised even veterans of the physical mathematics renaissance forged by gauge theory in the 1970s. Numerical experiments show that the local spacing between zeros of the Riemann zeta function is modelled by spectral phenomena: the eigenvalue distributions ...
Conformal Differential Geometry
Conformal invariants (conformally invariant tensors, conformally covariant differential operators, conformal holonomy groups etc.) are of central significance in differential geometry and physics. Well-known examples of such operators are the Yamabe-, the Paneitz-, the Dirac- and the twistor operator. The aim of the seminar was to present the basic ideas and some of the recent developments around Q-curvature and conformal holonomy. The part on Q-curvature discusses its origin, its relevance in geometry, spectral theory and physics. Here the influence of ideas which have their origin in the AdS/CFT-correspondence becomes visible. The part on conformal holonomy describes recent classification results, its relation to Einstein metrics and to conformal Killing spinors, and related special geometries.
Wild Swans
The story of three generations in twentieth-century China that blends the intimacy of memoir and the panoramic sweep of eyewitness history—a bestselling classic in thirty languages with more than ten million copies sold around the world, now with a new introduction from the author. An engrossing record of Mao’s impact on China, an unusual window on the female experience in the modern world, and an inspiring tale of courage and love, Jung Chang describes the extraordinary lives and experiences of her family members: her grandmother, a warlord’s concubine; her mother’s struggles as a young idealistic Communist; and her parents’ experience as members of the Communist elite and their ordeal during the Cultural Revolution. Chang was a Red Guard briefly at the age of fourteen, then worked as a peasant, a “barefoot doctor,” a steelworker, and an electrician. As the story of each generation unfolds, Chang captures in gripping, moving—and ultimately uplifting—detail the cycles of violent drama visited on her own family and millions of others caught in the whirlwind of history.
Inspired By S S Chern: A Memorial Volume In Honor Of A Great Mathematician
Shiing-Shen Chern (1911-2004) was one of the leading differential geometers of the twentieth century. In 1946, he founded the Mathematical Institute of Academia Sinica in Shanghai, which was later moved to Nanking. In 1981, he founded the Mathematical Sciences Research Institute (MSRI) at Berkeley and acted as the director until 1984. In 1985, he founded the Nankai Institute of Mathematics in Tianjin. He was awarded the National Medal of Science in 1975; the Wolf Prize in mathematics in 1984; and the Shaw Prize in mathematical sciences in 2004.Chern's works span all the classic fields of differential geometry: the Chern-Simons theory; the Chern-Weil theory, linking curvature invariants to ch...
A Glimpse at Hilbert Space Operators
Paul Richard Halmos, who lived a life of unbounded devotion to mathematics and to the mathematical community, died at the age of 90 on October 2, 2006. This volume is a memorial to Paul by operator theorists he inspired. Paul’sinitial research,beginning with his 1938Ph.D. thesis at the University of Illinois under Joseph Doob, was in probability, ergodic theory, and measure theory. A shift occurred in the 1950s when Paul’s interest in foundations led him to invent a subject he termed algebraic logic, resulting in a succession of papers on that subject appearing between 1954 and 1961, and the book Algebraic Logic, published in 1962. Paul’s ?rst two papers in pure operator theory appeare...
Topics in Harmonic Analysis and Ergodic Theory
There are strong connections between harmonic analysis and ergodic theory. A recent example of this interaction is the proof of the spectacular result by Terence Tao and Ben Green that the set of prime numbers contains arbitrarily long arithmetic progressions. This text presents a series of essays on the topic.
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