An absent factor of a string w is u which does not occur as contiguous substring (a.k.a. factor) inside w. We extend this well-studied notion and define subsequences: an subsequence if scattered Of particular interest to us are minimal subsequences, i.e., subsequences whose every absent, shortest length. show series combinatorial algorithmic results regarding these two notions. For instance: we...

In his study of disability and policy making in Canada, Michael Prince conceptualised the idea ‘absent citizens’ to describe how people with disabilities were marginalised political process treated a piecemeal fashion. This article examines whether disabled UK also constitute absent citizens by analysing election manifestos produced two main parties over past decade. The research finds an asymm...