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On a conjecture of Sendov about the critical points of a polynomial

✍ Scribed by B. D. Bojanov; Q. I. Rahman; J. Szynal


Publisher
Springer-Verlag
Year
1985
Tongue
French
Weight
167 KB
Volume
190
Category
Article
ISSN
0025-5874

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A Counterexample for a Conjecture about
✍ Mabrouk Ben Nasr; NoΓ΄men Jarboui πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 64 KB

This paper solves a long-standing open question: it is known that, if R is a Noetherian ring such that R X is catenarian, then so is R X Y , and, hence, R is universally catenarian; yet the non-Noetherian case remains unsolved. We do provide here an answer with a two-dimensional coequidimensional co