Titlebook: Semigroups and Their Applications; Proceedings of the I Simon M. Goberstein,Peter M. Higgins Conference proceedings 1987 D. Reidel Publishi

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Mario Petrichs an evolution of the JavaServer Pages (JSP) framework, adding a more organized development life cycle and the ability to more easily utilize modern web technologies. JSF uses XML files for view construction and uses Java classes for application logic, making it adhere to the MVC architecture. JSF i

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Implicit Operations on Certain Classes of Semigroups,nderlying operations). Analogously, pseudovarieties of (finite) algebras are defined by pseudo-identities, these being formal equalities of so-called implicit operations (briefly, functions compatible with all homomorphisms). To further explore this analogy to yield results on finite algebras, it is

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Finite Idempotent-Commuting Semigroups,oup. The full proof of the general result is to appear elsewhere In this paper we describe in detail the special case where the relation . is trivial. This contains most of the features of the general case and we outline what modifications are needed for this.

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Rank Properties in Semigroups of Mappings,n the idempotent rank ir(S) and the nilpotent rank nr(S) are given by ir(S) = min{|A|:A ⊆ E and ‹A› = S} and nr(S) = min{|A|:A ⊆ n and ‹A› = S} respectively; these are potentially different from r(S). If Sing. is the semigroup of all singular self-maps of {1, …, n} then r(Sing.) = ir(Sing.) = 1/2n(n

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Inverse Semigroups whose Lattices of Full Inverse Subsemigroups are Modular,e inverse semigroups which are not groups. Our main theorem states that such a semigroup S is modular if and only if (I) S is combinatorial, (II) its semilattice E of idempotents is “Archimedean” in S, (III) its maximum group homomorphic image . is locally cyclic and (IV) the poset of idempotents of