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Differential Manifold is the framework of particle physics and astrophysics nowadays. It is important for all research physicists to be well accustomed to it and even experimental physicists should be able to manipulate equations and expressions in that framework. This book gives a comprehensive description of the basics of differential manifold with a full proof of any element. A large part of the book is devoted to the basic mathematical concepts in which all necessary for the development of the differential manifold is expounded and fully proved. This book is self-consistent: it starts from first principles. The mathematical framework is the set theory with its axioms and its formal logic. No special knowledge is needed.
This paper studies net employment growth across 21 OECD economies in 1980-97, focusing on experiences within the European Union. It finds that sectoral effects can only partially account for differences in job creation. By contrast, it shows that a policy package including low taxation and flexible employment protection legislation is associated with high job creation and can account for most of the observed differences. The Netherlands’ success is largely accounted for by the creation of part-time jobs for women aged 25-49 in the services sector, but in most EU countries the substitution of part-time jobs for full-time jobs is considerable.
The most comprehensive reference on Mexico's diverse mammalian fauna. Mammals of Mexico is the first reference book in English on the more than 500 types of mammal species found in the diverse Mexican habitats, which range from the Sonoran Desert to the Chiapas cloud forests. The authoritative species accounts are written by a Who’s Who of experts compiled by famed mammalogist and conservationist Gerardo Ceballos. Ten years in the making, Mammals of Mexico covers everything from obscure rodents to whales, bats, primates, and wolves. It is thoroughly illustrated with color photographs and meticulous artistic renderings, as well as range maps for each species. Introductory chapters discuss biogeography, conservation, and evolution. The final section of the book illustrates the skulls, jaws, and tracks of Mexico’s mammals. This unparalleled collection of scientific information on, and photographs of, Mexican wildlife belongs on the shelf of every mammalogist, in public and academic libraries, and in the hands of anyone curious about Mexico and its wildlife.
Scientific journal from Durrell Wildlife Conservation Trust
Il maresciallo Gianballetta svolge orgoglioso la sua professione presso la caserma di Varazze, ridente cittadina ligure in cui vive con la propria famiglia. Tra i piccoli casi di delinquenza e le varie pratiche quotidiane da sbrigare, spicca un caso che riporta a galla il passato, facendo rivivere ricordi dolorosi. Per giungere a una soluzione è necessario un attento svolgimento delle indagini. La neviera delle Faje, luogo isolato e misterioso, fa da sfondo alle vicende narrate da Luigi Spiota in questo giallo ricco di colpi di scena e puntellato da espressioni dialettali liguri, in cui il lettore si trova coinvolto in prima persona e desidera ottenere risposte alle questioni rimaste in sos...