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Laureano, R. D. (2025). Cocycles in lie groups, cochains and regularity problem. European Journal of Pure and Applied Mathematics. 18 (2)
M. D. Laureano, "Cocycles in lie groups, cochains and regularity problem", in European Journal of Pure and Applied Mathematics, vol. 18, no. 2, 2025
@article{laureano2025_1766070482179,
author = "Laureano, R. D.",
title = "Cocycles in lie groups, cochains and regularity problem",
journal = "European Journal of Pure and Applied Mathematics",
year = "2025",
volume = "18",
number = "2",
doi = "10.29020/nybg.ejpam.v18i2.5830",
url = "https://www.ejpam.com/index.php/ejpam/index"
}
TY - JOUR TI - Cocycles in lie groups, cochains and regularity problem T2 - European Journal of Pure and Applied Mathematics VL - 18 IS - 2 AU - Laureano, R. D. PY - 2025 SN - 1307-5543 DO - 10.29020/nybg.ejpam.v18i2.5830 UR - https://www.ejpam.com/index.php/ejpam/index AB - After the fundamental work of Livschitz in [1, 2], various research directions emerged, among which the following stand out: (i) the study of cocycles with values in groups and semigroups beyond R, as well as the investigation of corresponding regularity results; (ii) the analysis of how a certain degree of regularity (Ck for k = 1, 2, . . . , ∞, ?) of the cocycle can confer corresponding regularity to the solution of the cohomological equation; and (iii) the study of higher-dimensional cohomology naturally associated with the action of groups such as Zk or Rk. The aim of this article is to present, as self-contained as possible, a review of the natural generalizations of the notions of cocycles and cochains, as well as their corresponding results, in the study of cohomological equations. ER -
English