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A sequence of  k ‐uniform hypergraphsH  1   ,   H  2   ,  …    is convergent if the sequence of homomorphism densities    t  (  F  ,   H  1   )  ,  t  (  F  ,   H  2   )  ,  …    converges for every  k ‐uniform hypergraph  F . For graphs, Lovász and Szegedy showed that every convergent sequence has a limit in the form of a symmetric measurable function    W  :    [  0  ,  1  ]   2   →  [  0  ,  1  ]   . For hypergraphs, analogous limits    W  :    [  0  ,  1  ]2  k   −  2    →  [  0  ,  1  ]    were constructed by Elek and Szegedy using ultraproducts. These limits had also been studied earlier by Hoover, Aldous, and Kallenberg in the setting of exchangeable random arrays. In this paper, we give a new proof and construction of hypergraph limits. Our approach is inspired by the original approach of Lovász and Szegedy, with the key ingredient being a weak Frieze‐Kannan type regularity lemma. © 2014 Wiley Periodicals, Inc. Random Struct. Alg., 47, 205–226, 2015

Hypergraph limits: A regularity approach