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1. |
Record Nr. |
UNISA996466488903316 |
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Autore |
Arnold David M. |
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Titolo |
Abelian group theory : proceedings of the 2nd New Mexico State University Conference, Held at LasCruces, New Mexico, December 9 -12 1976 / / D. Arnold, R. Hunter, E. Walker |
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Pubbl/distr/stampa |
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Berlin : , : Springer, , [1977] |
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©1977 |
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ISBN |
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Edizione |
[1st ed. 1977.] |
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Descrizione fisica |
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1 online resource (XII, 424 p.) |
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Collana |
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Lecture Notes in Mathematics, , 0075-8434 ; ; 616 |
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Disciplina |
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Soggetti |
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Group theory - Data processing |
Group theory |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Bibliographic Level Mode of Issuance: Monograph |
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Nota di contenuto |
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The structure of mixed abelian groups -- Decomposition bases and Ulm’s theorem -- The structure of p-trees: Algebraic systems related to abelian groups -- A Guide to valuated groups -- Warfield modules -- Finite valuated groups -- Criteria for freeness in groups and valuated vector spaces -- Subfree valued vector spaces -- On classifying torsion free modules over discrete valuation rings -- A sheaf - Theoretic interpretation of the kuroš theorem -- Genera and direct sum decompositions of torsion free modules -- Quasi-pure-injectivity and quasi-pure projectivity -- Sur les groupes quasi-p-nets injectifs et projectifs -- Whitehead’s problem -- Methods of logic in abelian group theory -- Abelian structures I -- The number of ? — Free abelian groups and the size of Ext -- The Jacobson radical of some endomorphism rings -- Ulm valuations and co-valuations on torsion-complete p-groups -- A result on problem 87 of L. Fuchs -- Local-quasi-endomorphism rings of rank one mixed abelian groups -- Homological dimension and abelian groups -- A galois correspondence in abelian groups -- A different completion functor -- Analogues of the Stacked Bases Theorem -- Commutative rings whose finitely generated modules are direct sums of cyclics. |
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2. |
Record Nr. |
UNINA9910794487403321 |
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Autore |
Deacon Niall |
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Titolo |
Twenty worlds : the extraordinary story of planets around other stars / / Niall Deacon |
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Pubbl/distr/stampa |
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London, England : , : Reaktion Books, Limited, , [2020] |
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©2020 |
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ISBN |
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Descrizione fisica |
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1 online resource (208 pages) : illustrations (black and white, and colour) |
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Collana |
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Disciplina |
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Soggetti |
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Extrasolar planets |
Planets |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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World beyond expectation -- World obscuring -- Tempestuous world -- Glimmer of atmosphere -- World in reverse -- Flash from darkness -- World you can't set your watch by -- Contrasting sibling -- World like ours? -- Unseen embryo -- World through the blur -- Ember spat from a fire -- Lonely planet -- Dreich world? -- Cursed world -- World that's just right? -- World bombarded -- Dark cloak of death -- World torn asunder -- Diamond born from death -- Epilogue: yet more worlds -- ; Appendix: Twenty worlds. |
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Sommario/riassunto |
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Thirty years ago, the only planets we knew were the ones orbiting our own sun; we now know of thousands of other worlds orbiting distant stars. In this book, astronomer Niall Deacon journeys to twenty of these globes: from giant, blisteringly hot planets orbiting close to their parent stars to planets that float through the cold wilderness of space alone, and from dead stars shredding asteroids to worlds made of diamond--and even planets that may be similar to the Earth. Deacon also takes in the latest exoplanet discoveries and explains how astronomers have come to learn so much about these strange and distant worlds. Twenty Worlds tells a sweeping story, of real planets around other stars, and it will fascinate a universe of fans of popular science and astronomy. |
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3. |
Record Nr. |
UNIORUON00276093 |
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Titolo |
A Concise history of the partecipation of the hellenic army in the first world war 1914-1918 / Hellenic Army General Staff : Army History Directorate |
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Pubbl/distr/stampa |
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Athens, : Army History Directorate Publication, 1999 |
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Descrizione fisica |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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