Journal article
A nilpotent Freiman dimension lemma
- Abstract:
- We prove that a K-approximate subgroup of an arbitrary torsion-free nilpotent group can be covered by a bounded number of cosets of a nilpotent subgroup of bounded rank, where the bounds are explicit and depend only on K. The result can be seen as a nilpotent analogue to Freiman's dimension lemma.
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- Publication date:
- 2011-12-18
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- Copyright date:
- 2011
- Notes:
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8 pages, submitted to special volume of EJC in honour of Yahya Ould
Hamidoune
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