Papayannopoulos, Philippos and Fresco, Nir and Shagrir, Oron (2021) On Two Different Kinds of Computational Indeterminacy. [Preprint]

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Abstract

It is often indeterminate what function a given computational system computes. This phenomenon has been referred to as “computational indeterminacy” or “multiplicity of computations”. In this paper, we argue that what has typically been considered and referred to as the (unique) challenge of computational indeterminacy in fact subsumes two distinct phenomena, which are typically bundled together and should be teased apart. One kind of indeterminacy concerns a functional (or formal) characterization of the system’s relevant behavior (briefly: how its physical states are grouped together and corresponded to abstract states). Another kind concerns the manner in which the abstract (or computational) states are interpreted (briefly: what function the system computes). We discuss the similarities and differences between the two kinds of computational indeterminacy, their implications for certain accounts of “computational individuation” in the literature, and their relevance to different levels of description within the computational system. We also examine the interrelationships between our proposed accounts of the two kinds of indeterminacy and the main accounts of “computational implementation”.

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Item Type:	Preprint
Creators:	Creators Email ORCID Papayannopoulos, Philippos fpapagia@uwo.ca Fresco, Nir nfresco@bgu.ac.il 0000-0002-7182-9727 Shagrir, Oron oron.shagrir@gmail.com
Keywords:	Physical computation; Indeterminacy; Computational individuation; Dual functions; Computational explanation
Subjects:	General Issues > Determinism/Indeterminism General Issues > Explanation General Issues > Philosophers of Science
Depositing User:	Nir Fresco
Date Deposited:	28 Sep 2021 22:24
Last Modified:	28 Sep 2021 22:24
Item ID:	19622
Official URL:	https://academic.oup.com/monist
Subjects:	General Issues > Determinism/Indeterminism General Issues > Explanation General Issues > Philosophers of Science
Date:	2021
URI:	https://philsci-archive.pitt.edu/id/eprint/19622

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• On Two Different Kinds of Computational Indeterminacy. (deposited 28 Sep 2021 22:24) [Currently Displayed]
  • On Two Different Kinds of Computational Indeterminacy. (deposited 11 Jan 2022 04:43)

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