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People with autism and Asperger syndrome are anecdotally said to be hypersensitive to touch. In two experiments, we measured tactile thresholds and suprathreshold tactile sensitivity in a group of adults with Asperger syndrome. In the first experiment, tactile perceptual thresholds were measured. Two frequencies of vibrotactile stimulation were used: 30 and(More)
 This paper applies the concept of FA-presentable structures to semi-groups. We give a complete classification of the finitely generated FA-presentable cancellative semigroups: namely, a finitely generated cancellative semigroup is FA-presentable if and only if it is a subsemigroup of a virtually abelian group. We prove that all finitely generated(More)
LMO4, a member of the LIM-only family of zinc-finger proteins, is overexpressed in a significant proportion of breast carcinomas and acts as a negative regulator of mammary epithelial differentiation. To delineate cell types within the developing mouse mammary gland that express Lmo4, we analysed different stages of mammopoiesis by immunohistochemistry.(More)
An automatic presentation of a relational structure is, informally , a representation of the elements of that structure by means of a regular language such that the relations can all be recognized by finite automata. This paper shows that a finitely generated cancellative semigroup admits an automatic presentation if and only if it is a sub-semigroup of a(More)