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4.259  Articles
1 of 427 pages  |  10  records  |  more records»
We consider a robust variant of Dirac-type problems in kk-uniform hypergraphs. For instance, we prove that if H\mathcal{H} is a kk-uniform hypergraph with minimum codegree at least (12+?)n\left(\frac 12 + \gamma \right)n, ?>0\gamma >0, and nn is suffic... see more

In this article, the author discusses and reviews Andrzej Lam’s book Portrety i spotkania (Pultusk–Warszawa 2014) which is a collection of studies of German poets from the Middle Ages until the mid-20th century. The author highlights the coherence of the ... see more

Let p\pi be a permutation of the set [n]={1,2,…,n}[n]=\{1,2,\dots, n\}. Two disjoint order-isomorphic subsequences of p\pi are called twins. How long twins are contained in every permutation? The well known Erdos-Szekeres theorem implies that there is alw... see more

In this paper we confirm a special, remaining case of a conjecture of Füredi, Jiang, and Seiver, and determine an exact formula for the Turán number ex3(n;P33)\mathrm{ex}_3(n; P_3^3) of the 3-uniform linear path P33P^3_3 of length 3, valid for a... see more

1 of 427 pages  |  10  records  |  more records»