# Cohomology groups, multipliers and factors in ergodic theory

Studia Mathematica (1997)

- Volume: 122, Issue: 3, page 275-288
- ISSN: 0039-3223

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topLemańczyk, M.. "Cohomology groups, multipliers and factors in ergodic theory." Studia Mathematica 122.3 (1997): 275-288. <http://eudml.org/doc/216375>.

@article{Lemańczyk1997,

abstract = {The problem of compact factors in ergodic theory and its relationship with the problem of extending a cocycle to a cocycle of a larger action are studied.},

author = {Lemańczyk, M.},

journal = {Studia Mathematica},

keywords = {ergodic automorphism; centralizer; factor; cocycle; coboundary},

language = {eng},

number = {3},

pages = {275-288},

title = {Cohomology groups, multipliers and factors in ergodic theory},

url = {http://eudml.org/doc/216375},

volume = {122},

year = {1997},

}

TY - JOUR

AU - Lemańczyk, M.

TI - Cohomology groups, multipliers and factors in ergodic theory

JO - Studia Mathematica

PY - 1997

VL - 122

IS - 3

SP - 275

EP - 288

AB - The problem of compact factors in ergodic theory and its relationship with the problem of extending a cocycle to a cocycle of a larger action are studied.

LA - eng

KW - ergodic automorphism; centralizer; factor; cocycle; coboundary

UR - http://eudml.org/doc/216375

ER -

## References

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- [12] C. C. Moore and K. Schmidt, Coboundaries and homomorphisms for non-singular actions and a problem of H. Helson, Proc. London Math. Soc. 40 (1980), 443-475. Zbl0428.28014
- [13] D. Newton, On canonical factors of ergodic dynamical systems, J. London Math. Soc. 19 (1979), 129-136. Zbl0425.28012
- [14] K. R. Parthasarathy, Multipliers on Locally Compact Groups, Lecture Notes in Math. 93, Springer, 1969. Zbl0188.20202
- [15] K. Schmidt, Cocycles of Ergodic Transformation Groups, Lecture Notes in Math. 1, Mac Millan of India, 1977. Zbl0421.28017
- [16] J.-P. Thouvenot, Some properties and applications of joinings in ergodic theory, in: Ergodic Theory and its Connections with Harmonic Analysis, London Math. Soc., 1995, 207-235. Zbl0848.28009
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