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Earrings : from antiquity to the present
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ISBN: 0847812308 Year: 1990 Publisher: New York Rizzoli

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Abstract

Keywords

Earrings --- History --- Earrings - History --- Ear-rings --- Jewelry --- Rings


Book
Non-commutative ring theory : proceedings of a conference held in Athens, Ohio, Sept. 29-30, 1989
Authors: ---
ISBN: 3540531645 0387531645 3540467459 9783540531647 Year: 1990 Volume: 1448 Publisher: Berlin Heidelberg New York Springer

Cohen-Macaulay modules over Cohen-Macaulay rings
Authors: ---
ISBN: 1139884387 1107366380 1107371104 1107361478 1107369193 1299404170 1107363926 0511892365 0511600682 9781107361478 9780511892363 0521356946 9780521356947 9780511600685 Year: 1990 Publisher: Cambridge : Cambridge University Press,

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Abstract

The purpose of these notes is to explain in detail some topics on the intersection of commutative algebra, representation theory and singularity theory. They are based on lectures given in Tokyo, but also contain new research. It is the first cohesive account of the area and will provide a useful synthesis of recent research for algebraists.


Book
Brauergruppen von Körpern
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ISBN: 3528063807 9783528063801 Year: 1990 Volume: D6 Publisher: Braunschweig Vieweg

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Newton polyhedra without coordinates ; Newton polyhedra of ideals
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ISBN: 0821824953 Year: 1990 Publisher: Providence (R.I.): American Mathematical Society

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Continuous and discrete modules
Authors: ---
ISBN: 1139884611 1107366577 1107371260 1107361664 1107370310 1299404332 1107364116 0511892527 0511600690 9781107361669 9780511892523 0521399750 9780521399753 9780511600692 Year: 1990 Publisher: Cambridge : Cambridge University Press,

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Continuous and discrete modules are, essentially, generalizations of infective and projective modules respectively. Continuous modules provide an appropriate setting for decomposition theory of von Neumann algebras and have important applications to C*-algebras. Discrete modules constitute a dual concept and are related to number theory and algebraic geometry: they possess perfect decomposition properties. The advantage of both types of module is that the Krull-Schmidt theorem can be applied, in part, to them. The authors present here a complete account of the subject and at the same time give a unified picture of the theory. The treatment is essentially self-contained, with background facts being summarized in the first chapter. This book will be useful therefore either to individuals beginning research, or the more experienced worker in algebra and representation theory.


Book
Steps in commutative algebra
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ISBN: 0521397324 9780521397322 Year: 1990 Volume: 19 Publisher: Cambridge : Cambridge University Press,

The Grothendieck Festschrift : a collection of articles written in honor of the 60th birthday of Alexander Grothendieck.
Authors: --- ---
ISBN: 0817634290 3764334290 9780817634292 Year: 1990 Volume: 86 Publisher: Boston Birkhäuser

Classification theories of polarized varieties
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ISBN: 1139884573 1107366550 1107371244 1107361648 1107370108 1299404316 1107364094 0511662637 9781107361645 9780511662638 0521392020 9780521392020 9781139884570 9781107366558 9781107371248 9781107370104 9781299404311 9781107364097 Year: 1990 Publisher: Cambridge : Cambridge University Press,

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A polarised variety is a modern generalization of the notion of a variety in classical algebraic geometry. It consists of a pair: the algebraic variety itself, together with an ample line bundle on it. Using techniques from abstract algebraic geometry that have been developed over recent decades, Professor Fujita develops classification theories of such pairs using invariants that are polarised higher-dimensional versions of the genus of algebraic curves. The heart of the book is the theory of D-genus and sectional genus developed by the author, but numerous related topics are discussed or surveyed. Proofs are given in full in the central part of the development, but background and technical results are sometimes just sketched when the details are not essential for understanding the key ideas. Readers are assumed to have some background in algebraic geometry, including sheaf cohomology, and for them this work will provide an illustration of the power of modern abstract techniques applied to concrete geometric problems. Thus the book helps the reader not only to understand about classical objects but also modern methods, and so it will be useful not only for experts but also non-specialists and graduate students.


Book
Blocks of tame representation type and related algebras
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ISBN: 3540527095 0387527095 3540471154 9783540527091 Year: 1990 Volume: 1428 Publisher: Berlin New York Paris Springer-Verlag

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