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On the Expressiveness of Intensional Communication [PDF]
The expressiveness of communication primitives has been explored in a common framework based on the pi-calculus by considering four features: synchronism (asynchronous vs synchronous), arity (monadic vs polyadic data), communication medium (shared ...
Thomas Given-Wilson
doaj +13 more sources
Initial Semantics for Strengthened Signatures [PDF]
We give a new general definition of arity, yielding the companion notions of signature and associated syntax. This setting is modular in the sense requested by Ghani and Uustalu: merging two extensions of syntax corresponds to building an amalgamated sum.
André Hirschowitz, Marco Maggesi
doaj +8 more sources
Finite symmetric functions with non-trivial arity gap [PDF]
Given an $n$-ary $k-$valued function $f$, $gap(f)$ denotes the essential arity gap of $f$ which is the minimal number of essential variables in $f$ which become fictive when identifying any two distinct essential variables in $f$.
Koppitz, J., Shtrakov, Sl.
core +4 more sources
Relative Positionalism and Variable Arity Relations
Maureen Donnelly’s (2016) relative positionalism correctly handles any fixed arity relation with any symmetry such a relation can have, yielding the intuitively correct way(s) in which that relation can apply.
T. Scott Dixon
doaj +3 more sources
Geometric convergence rates for cardinal spline subdivision with general integer arity
A rigorous convergence analysis is presented for arbitrary order cardinal spline subdivision with general integer arity, for which the binary case, with arity two, is a well-studied subject.
Johan de Villiers +1 more
doaj +7 more sources
Minor complexity of discrete functions [PDF]
In this paper we study a class of complexity measures, induced by a new data structure for representing k-valued functions (operations), called minor decision diagram.
Slavcho Shtrakov
doaj +1 more source
Ellipses and Lambda Definability [PDF]
Ellipses are a meta-linguistic notation for denoting terms the size of which are specified by a meta-variable that ranges over the natural numbers. In this work, we present a systematic approach for encoding such meta-expressions in the \^I-calculus ...
Mayer Goldberg
doaj +1 more source
Let \(A\) and \(B\) be sets. For functions \(f:\;A^n\to B\), \(g:\;A^m\to B\) we write \(g\leq f\) if there exists an assignment \(\alpha:\;\{1,\dots,n\}\to\{1,\dots,m\}\) such that \(g(a_1,\dots,a_m)=f(a_{\alpha(1)},\dots,a_{\alpha(n)})\) for all \(a_1,\dots,a_m\in A\).
Couceiro, Miguel +2 more
openaire +5 more sources
We specialise a recently introduced notion of generalised dinaturality for functors $T : (\mathcal{C}^\text{op})^p \times \mathcal{C}^q \to \mathcal{D}$ to the case where the domain (resp., codomain) is constant, obtaining notions of ends (resp., coends) of higher arity, dubbed herein $(p,q)$-ends (resp., $(p,q)$-coends). While higher arity co/ends are
Fosco Loregian, Emily de Oliveira Santos
openaire +3 more sources
Asymmetric localization of planar cell polarity (PCP) proteins is essential for tissue integrity, but how asymmetric localization is regulated during cell division is not known. In this issue of Developmental Cell, Shrestha et al. (2015) show that mitotic Polo-like kinase 1 (Plk1) links internalization of PCP proteins to cell-cycle progression.
Sedzinski, Jakub, Wallingford, John
openaire +2 more sources

