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@article{2386885, author = {Bucic, Matija and Cooper, Jacob and Kráľ, Daniel and Mohr, Samuel and Correia, David Munha}, article_location = {Providence (USA)}, article_number = {7}, doi = {http://dx.doi.org/10.1090/tran/8873}, keywords = {EXTREMAL PROBLEMS; TURÁN NUMBER; HYPERGRAPHS; GRAPHS}, language = {eng}, issn = {0002-9947}, journal = {Transactions of the American Mathematical Society}, title = {UNIFORM TURAN DENSITY OF CYCLES}, url = {https://www.ams.org/journals/tran/2023-376-07/S0002-9947-2023-08873-0/}, volume = {376}, year = {2023} }
TY - JOUR ID - 2386885 AU - Bucic, Matija - Cooper, Jacob - Kráľ, Daniel - Mohr, Samuel - Correia, David Munha PY - 2023 TI - UNIFORM TURAN DENSITY OF CYCLES JF - Transactions of the American Mathematical Society VL - 376 IS - 7 SP - 4765-4809 EP - 4765-4809 PB - American Mathematical Society SN - 00029947 KW - EXTREMAL PROBLEMS KW - TURÁN NUMBER KW - HYPERGRAPHS KW - GRAPHS UR - https://www.ams.org/journals/tran/2023-376-07/S0002-9947-2023-08873-0/ N2 - In the early 1980s, Erdos and Sos initiated the study of the classical Turan problem with a uniformity condition: the uniform Turan density of a hypergraph H is the infimum over all d for which any sufficiently large hypergraph with the property that all its linear-size subhypergraphs have density at least d contains H. In particular, they raise the questions of determining the uniform Turan densities of K-4((3)-) and K-4((3)). The former question was solved only recently by Glebov, Kral', and Volec [Israel J. Math. 211 (2016), pp. 349-366] and Reiher, Rodl, and Schacht [J. Eur. Math. Soc. 20 (2018), pp. 1139-1159], while the latter still remains open for almost 40 years. In addition to K-4((3)-), the only 3-uniform hypergraphs whose uniform Turan density is known are those with zero uniform Turan density classified by Reiher, Rodl and Schacht [J. London Math. Soc. 97 (2018), pp. 77-97] and a specific family with uniform Turan density equal to 1/27. ER -
BUCIC, Matija, Jacob COOPER, Daniel KRÁĽ, Samuel MOHR and David Munha CORREIA. UNIFORM TURAN DENSITY OF CYCLES. \textit{Transactions of the American Mathematical Society}. Providence (USA): American Mathematical Society, 2023, vol.~376, No~7, p.~4765-4809. ISSN~0002-9947. Available from: https://dx.doi.org/10.1090/tran/8873.
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