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1. |
Record Nr. |
UNINA9910460267803321 |
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Autore |
Obrecht Jas |
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Titolo |
Early blues : the first stars of blues guitar / / Jas Obrecht |
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Pubbl/distr/stampa |
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Minneapolis, Minnesota ; ; London, England : , : University of Minnesota Press, , 2015 |
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©2015 |
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ISBN |
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Descrizione fisica |
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1 online resource (273 p.) |
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Disciplina |
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Soggetti |
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Blues (Music) - 1921-1930 - History and criticism |
Blues musicians - United States |
Guitarists - United States |
Electronic books. |
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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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Description based upon print version of record. |
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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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Sylvester Weaver : the first blues guitarist on record -- Papa Charlie Jackson : six-string stylist, flat-picking pioneer -- Blind Lemon Jefferson : popular from coast to coast -- Blind Blake : king of ragtime blues guitar -- Blind Willie McTell : Atlanta's twelve-string king -- Blind Willie Johnson : sublime gospel blues -- Lonnie Johnson : the era's most influential blues guitarist -- Mississippi John Hurt : songster and bluesman -- Tampa Red : "the guitar wizard". |
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2. |
Record Nr. |
UNISALENTO991001198249707536 |
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Autore |
Parthasarathy, T. |
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Titolo |
On global univalence theorems / T. Parthasarathy |
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Pubbl/distr/stampa |
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Berlin : Springer-Verlag, 1983 |
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ISBN |
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Descrizione fisica |
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Collana |
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Lecture notes in mathematics, 0075-8434 ; 977 |
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Classificazione |
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AMS 26-02 |
AMS 26B10 |
AMS 90-02 |
AMS 90A14 |
AMS 90C30 |
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Disciplina |
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Soggetti |
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Differentiable functions |
Mappings |
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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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Includes bibliographical references and index |
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3. |
Record Nr. |
UNINA9911031640803321 |
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Autore |
Greuel G.-M (Gert-Martin) |
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Titolo |
Introduction to Singularities and Deformations / / by Gert-Martin Greuel, Christoph Lossen, Eugenii I. Shustin |
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Pubbl/distr/stampa |
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Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2025 |
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ISBN |
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Edizione |
[2nd ed. 2025.] |
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Descrizione fisica |
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1 online resource (734 pages) |
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Collana |
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Springer Monographs in Mathematics, , 2196-9922 |
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Altri autori (Persone) |
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LossenChristoph |
ShustinEugenii I |
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Disciplina |
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Soggetti |
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Algebra |
Geometry, Algebraic |
Algebraic Geometry |
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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 contenuto |
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1 Singularity Theory -- 2 Local Deformation Theory -- 3 Singularities in Arbitrary Characteristics -- Appendix A: Sheaves -- Appendix B: Commutative Algebra -- Appendix C: Formal Deformation Theory. |
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Sommario/riassunto |
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In the second edition we do not only correct errors, update references and improve some of the proofs of the text of the first edition, but also add a new chapter on singularities in arbitrary characteristic. We give an overview of several aspects of singularities of algebraic varieties and formal power series defined over a field of arbitrary characteristic (algebraically closed or not). Almost all of the results presented here appeared after the publication of the first edition and some results are new. In particular, we treat, in arbitrary characteristic, the classical invariants of hypersurface singularities, and we review results on the equisingularity of plane curve singularities, on the classification of parametrizations of plane branches, and on hypersurface and complete intersection singularities with small moduli. Moreover, we discuss and prove determinacy and semicontinuity results of families of ideals and matrices of power series parametrized by an arbitrary Noether base scheme, which are used to prove open loci properties for several singularity invariants. The semicontinuity has surprising applications in the computation of local standard bases of zero dimensional ideals, |
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which are by magnitudes faster than previously known methods. The chapter contains two appendices. One is by Dmitry Kerner on large submodules within group orbits, which relates to determinacy criteria for singularities in very general contexts. It is focused on methods applicable to a broad class of fields of arbitrary characteristic, while before the theory was mainly restricted to zero characteristic. The second appendix is by Ilya Tyomkin and deals with the geometry of Severi varieties, mainly on toric varieties. It discusses the breakthrough solution to the problem on the irreducibility of Severi varieties of the plane in arbitrary characteristic, with a focus on the characteristic free approach based on tropical geometry. We try to be self-contained and give proofs whenever possible. However, due to the amount of material, this is not always possible, and we then give precise references to the original sources. |
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