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Manfredini
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Exceptional Lifespans
How long can humans live? This open access book documents, verifies and brings to life the advance of the frontier of human survival. It carefully validates data on supercentenarians, aged 110+, and semi-supercentenarians, aged 105-109, stored in the International Database on Longevity (IDL). The chapters in this book contribute substantial advances in rigorously checked facts about exceptional lifespans and in the application of state-of-the-art analytical strategies to understand trends and patterns in these rare lifespans. The book includes detailed accounts of extreme long-livers and how their long lifespans were documented, as well as reports on the causes of death at the oldest ages. Its key finding, based on the analysis of 1,219 validated supercentenarians, is that the annual probability of death is constant at 50% after age 110. In contrast to previous assertions about a ceiling on the human lifespan, evidence presented in this book suggests that lifespan records in specific countries and globally will be broken again and again as more people survive to become supercentenarians.
The Grove Book of Opera Singers
Covering over 1500 singers from the birth of opera to the present day, this marvelous volume will be an essential resource for all serious opera lovers and an indispensable companion to the enormously successful Grove Book of Operas. The most comprehensive guide to opera singers ever produced, this volume offers an alphabetically arranged collection of authoritative biographies that range from Marion Anderson (the first African American to perform at the Met) to Benedict Zak (the classical tenor and close friend and colleague of Mozart). Readers will find fascinating articles on such opera stars as Maria Callas and Enrico Caruso, Ezio Pinza and Fyodor Chaliapin, Lotte Lehmann and Jenny Lind,...
Houses with Names
Combining her other research with interviews of nearly fifty Italian immigrants of her grandparents' generation, Adria Bernardi has crafted a memorable oral history of a community of working-class immigrants. Bernardi tells their story clearly and with care, interspersing transcriptions and translations with her own recollections and interpretations of life among the Italian immigrants of Highwood.
Nonsmooth Differential Geometry-An Approach Tailored for Spaces with Ricci Curvature Bounded from Below
The author discusses in which sense general metric measure spaces possess a first order differential structure. Building on this, spaces with Ricci curvature bounded from below a second order calculus can be developed, permitting the author to define Hessian, covariant/exterior derivatives and Ricci curvature.
Mathematical Study of Degenerate Boundary Layers: A Large Scale Ocean Circulation Problem
This paper is concerned with a complete asymptotic analysis as $E \to 0$ of the Munk equation $\partial _x\psi -E \Delta ^2 \psi = \tau $ in a domain $\Omega \subset \mathbf R^2$, supplemented with boundary conditions for $\psi $ and $\partial _n \psi $. This equation is a simple model for the circulation of currents in closed basins, the variables $x$ and $y$ being respectively the longitude and the latitude. A crude analysis shows that as $E \to 0$, the weak limit of $\psi $ satisfies the so-called Sverdrup transport equation inside the domain, namely $\partial _x \psi ^0=\tau $, while boundary layers appear in the vicinity of the boundary.
The Planar Cubic Cayley Graphs
The author obtains a complete description of the planar cubic Cayley graphs, providing an explicit presentation and embedding for each of them. This turns out to be a rich class, comprising several infinite families. He obtains counterexamples to conjectures of Mohar, Bonnington and Watkins. The author's analysis makes the involved graphs accessible to computation, corroborating a conjecture of Droms.
On Non-Generic Finite Subgroups of Exceptional Algebraic Groups
The study of finite subgroups of a simple algebraic group $G$ reduces in a sense to those which are almost simple. If an almost simple subgroup of $G$ has a socle which is not isomorphic to a group of Lie type in the underlying characteristic of $G$, then the subgroup is called non-generic. This paper considers non-generic subgroups of simple algebraic groups of exceptional type in arbitrary characteristic.
