This chapter is about questions of the following kind. Assume we have finite sets A, B in a group G. What can we say about A+B if we know the structure of G, or we have some information about how these sets are situated within G? The “what” will be in most cases a lower estimate for the cardinality.


Commutative Group Arithmetic Progression Commutative Semigroup Minkowski Inequality Impact Function 
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© Birkhäuser Verlag 2009

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