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A note on a modified version of the Poincaré–Birkhoff theorem

✍ Scribed by J Campos; A Margheri; R Martins; C Rebelo

Book ID
111713180
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
246 KB
Volume
203
Category
Article
ISSN
0022-0396

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📜 SIMILAR VOLUMES

A constructive version of Birkhoff's the
A constructive version of Birkhoff's theorem
✍ Jesper Carlström 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB 👁 1 views

## Abstract A version of Birkhoff's theorem is proved by constructive, predicative, methods. The version we prove has two conditions more than the classical one. First, the class considered is assumed to contain a generic family, which is defined to be a set‐indexed family of algebras such that if