The Zarankiewicz problem, an unsolved problem in mathematics, asks for the largest possible number of edges in a bipartite graph that has a given number...
26 KB (5,081 words) - 11:45, 8 December 2024
number theory, and triangular numbers. The Zarankiewicz problem is named after Zarankiewicz. This problem asks, for a given size of (0,1)-matrix, how...
4 KB (404 words) - 18:32, 28 December 2024
brick factory problem – Is there a drawing of any complete bipartite graph with fewer crossings than the number given by Zarankiewicz? Universal point...
191 KB (19,656 words) - 11:57, 23 January 2025
subgraph problem for bipartite graphs is known as the Zarankiewicz problem, and it is unsolved in general. Progress on the Zarankiewicz problem includes...
24 KB (4,298 words) - 08:07, 11 January 2024
one of which is independent and the other of which is a clique Zarankiewicz problem on the maximum number of edges in a bipartite graph with forbidden...
33 KB (4,093 words) - 00:09, 21 October 2024
problem in mathematics: Can any complete bipartite graph be drawn with fewer crossings than the number given by Zarankiewicz? (more unsolved problems...
13 KB (1,513 words) - 08:14, 11 January 2024
{\displaystyle G} is a complete bipartite graph, this is known as the Zarankiewicz problem. The homomorphism density t ( H , G ) {\displaystyle t(H,G)} of a...
10 KB (1,360 words) - 09:43, 1 August 2022
obstruction set. Erdős–Hajnal conjecture Forbidden subgraph problem Matroid minor Zarankiewicz problem Diestel, Reinhard (2000), Graph Theory, Graduate Texts...
17 KB (1,224 words) - 00:30, 8 October 2024
ex(n; H) = o(n2), and for general bipartite graphs little more is known. See Zarankiewicz problem for more on the extremal functions of bipartite graphs. Another way...
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edges in a 4-cycle-free graph can be seen as a special case of the Zarankiewicz problem on forbidden complete bipartite graphs, and the even circuit theorem...
6 KB (774 words) - 09:39, 23 January 2025
Kazimierz Zarankiewicz, Polish mathematician who was primarily interested in topology and graph theory known for Zarankiewicz problem and Zarankiewicz crossing...
124 KB (12,386 words) - 22:19, 29 December 2024
, 3 {\displaystyle K_{3,3}} -free graphs in connection with the Zarankiewicz problem.[Z] Emeritus Professors and Post Retirees, McGill University Mathematics...
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Richard K. Guy (section Chess problems)
1016/S0021-9800(68)80063-8. Guy, R. K. (1969). "A many-facetted problem of zarankiewicz". The Many Facets of Graph theory. Lecture Notes in Mathematics...
29 KB (3,160 words) - 16:07, 31 December 2024
Sect. Math. 1: 127–134. ———; Kövari, T.; Turán, P. (1954). "On a problem of K. Zarankiewicz". Colloq. Math. 3: 50–57. doi:10.4064/cm-3-1-50-57. MR 0065617...
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Crossing number (graph theory) (category NP-complete problems)
so the problem becomes: what is the minimum possible number of crossings in a drawing of a complete bipartite graph? Kazimierz Zarankiewicz attempted...
26 KB (3,160 words) - 13:43, 22 January 2025
Lectures on Discrete and Polyhedral Geometry, p. 39. Sikorski, R.; Zarankiewicz, K. (1955), "On uniformization of functions. I", Fundamenta Mathematicae...
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numbers) and complete bipartite graphs (Turán's brick factory problem and the Zarankiewicz crossing number conjecture), again giving a conjectured formula)...
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parameterization. Kővári, T.; T. Sós, V.; Turán, P. (1954), "On a problem of K. Zarankiewicz" (PDF), Colloquium Math., 3: 50–57, MR 0065617. This work concerns...
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List of Polish people (category Articles with accessibility problems)
Urbanik Tadeusz Ważewski Mariusz Wodzicki Józef Hoene-Wroński Kazimierz Zarankiewicz Stanisław Zaremba Henryk Zygalski, Enigma-breaker Antoni Zygmund, Polish-American...
192 KB (1,757 words) - 22:49, 19 January 2025
was shown wrong in the early 1960s. In 1954 Zarankiewicz claimed to have solved Turán's brick factory problem about the crossing number of complete bipartite...
35 KB (4,299 words) - 02:09, 22 October 2024
(2016), Lower bounds on Davenport-Schinzel sequences via rectangular Zarankiewicz matrices, arXiv:1610.09774, Bibcode:2016arXiv161009774W. Davenport-Schinzel...
13 KB (1,677 words) - 16:34, 1 January 2025
Widder Norbert Wiener Herman Wold Laurence Chisholm Young Kazimierz Zarankiewicz Stanisław Zaremba Pedro Abellanas [es] Abraham Adrian Albert Howard Wright...
118 KB (10,718 words) - 21:26, 24 November 2024