𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Order types, trees, and a problem of Erdős and Hajnal

✍ Scribed by Keith J. Devlin


Publisher
Springer Netherlands
Year
1974
Tongue
English
Weight
451 KB
Volume
5
Category
Article
ISSN
0031-5303

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


On a Problem of Erdős and Sárközy
✍ Tomasz Schoen 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 89 KB

Let A=[a 1 , a 2 , ...] N and put A(n)= a i n 1. We say that A is a P-set if no element a i divides the sum of two larger elements. It is proved that for every P-set A with pairwise co-prime elements the inequality A(n)<2n 2Â3 holds for infinitely many n # N. ## 2001 Academic Press where A(n)= a i

A Minimax Problem Admitting the Equiosci
✍ Ying Guang Shi 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 190 KB

This paper shows that under certain conditions a solution of the minimax problem min a<x 1 < } } } <x n <b max 1 i n+1 f i (x 1 , ..., x n ) admits the equioscillation characterizations of Bernstein and Erdo s and has strong uniqueness. This problem includes as a particular example the optimal Lagra