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11 - Computer Science and Informatics
University of Leicester
On nominal regular languages with binders
<10> A new class of languages on infinite alphabets is introduced by allowing name binders in words. This caters for a more precise representation of allocations/deallocation of resources in computations. For instance, and crucially, resource-sensitive negation brings in more expressive wrt traditional theories (like finite-memory or fresh-register automata). Interestingly, these results emerge by analogy with traditional language theory (eg Kleene theorem). This new approach opens a whole range of theoretical challenges currently under exploration. For example, in collaboration with Degano et al., Tuosto is currently applying this approach to model checking nominal context-free languages.