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Abstract
We calculate Hochschild cohomology groups of the integers treated as an algebra over so-called field with one element. We compare our results with calculation of the topological Hochschild cohomology groups of the integers—this is the case when one considers integers as an algebra over the sphere spectrum.
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ACKNOWLEDGMENT
This research was partially supported by the Polish Scientific Grant 1 P03A 005 26.
Notes
Communicated by C. Pedrini.