1.

Record Nr.

UNINA9910828759803321

Autore

Youssin Boris <1959->

Titolo

Newton polyhedra without coordinates : Newton polyhedra of ideals / / Boris Youssin

Pubbl/distr/stampa

Providence, Rhode Island : , : American Mathematical Society, , 1990

©1990

ISBN

1-4704-0856-2

Descrizione fisica

1 online resource (109 p.)

Collana

Memoirs of the American Mathematical Society, , 0065-9266 ; ; Volume 87, Number 433

Disciplina

510 s

Soggetti

Polyhedral functions

Filters (Mathematics)

Rings (Algebra)

Ideals (Algebra)

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references at the end of each chapters.

Nota di contenuto

""CONTENTS""; ""NEWTON POLYHEDRA WITHOUT COORDINATES""; ""1. Introduction""; ""Chapter 1. Integrally closed filtrations""; ""2. Definition and examples""; ""3. The language of integrally closed subalgebras""; ""4. Generators of a filtration""; ""5. Join and suspension""; ""6. Normal crossing rings and monomials""; ""7. Special filtrations and the Main Theorem""; ""Chapter 2. Contact and stably contact filtrations""; ""8. Initial forms and transversality to the normal crossing divisor""; ""9. Contact filtrations and their structure""; ""10. Galois extensions""

""21. Some unsolved problems""""Appendices""; ""A1. Weights of a quasihomogeneous filtration are independent of the coordinate system""; ""A2. Criterion for integral closedness""; ""A3. The structure of suspension""; ""A4. Multiplication and division by monomials: Proof of the structure theorem""; ""A5. Suspension of a stably contact filtration is stably contact: Proof of (11.5)""; ""References""; ""NEWTON POLYHEDRA OF IDEALS""; ""1. Introduction""; ""2. Standard bases and the main result""; ""3. Differential operators and principal parts""; ""4. Generalized Fitting ideals""

""5. Heuristics""""6. Generic position""; ""7. Fitting ideals and filtrations generated by standard bases""; ""8. Normalized standard bases""; ""9.



Proof of the Main Theorem 2.7""; ""Appendix. Sketch of another proof""; ""References""