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With the rise of cloud computing new ways to secure outsourced data have to be devised. Traditional approaches like simply encrypting all data before it is transferred only partially alleviate this problem. Searchable Encryption (SE) schemes enable the cloud provider to search for user supplied strings in the encrypted documents, while neither learning anything about the content of the documents nor...
We consider continuous extensions of minimal rotations on a locally connected compact group X by cocycles taking values in locally compact Lie groups and prove regularity (i.e. the existence of orbit closures which project onto the whole basis X) in certain special situations beyond the nilpotent case. We further discuss an open question on cocycles acting on homogeneous spaces which seems to be the...
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