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Inner models and infinite computations

Objective

This proposal is in mathematical logic. It aims to study interactions between set theory and computability. More specifically, we want to apply techniques from inner model theory to computability and randomness.

The development of modern set theory began with Paul Cohen's solution of Hilbert's first problem in 1964. Since then, set theory has been used to solve important problems in various areas of mathematics. Descriptive set theory studies definable sets of reals, for instance Borel and analytic sets, and computability studies computable functions and its higher analogues.

We propose to develop applications of inner model theory in computability. Inner model theory is a major field of set theory which was pursued for instance by Ronald Jensen (recipient of the AMS Steel prize 2003 and Hausdorff medal 2015) and Hugh Woodin (recipient of the Hausdorff medal 2013). A major aim of this field is to determine the logical strength of theories. Recently, several new approaches for constructions of inner models have been studied, for example via strong logics by Menachem Magidor and Jouko Väänänen. We propose to follow this line of research and to study models constructed via ideas from infinite computation related to work of Joel David Hamkins and Philip Welch.

We further propose to apply inner model theory and descriptive set theory to study random sequences. Algorithmic randomness is a central field in computability with connections to theoretical computer science, that has been studied intensively, for instance by Ted Slaman and Andre Nies. We aim to solve problems in the higher generalizations of algorithmic randomness.

Fields of science (EuroSciVoc)

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Programme(s)

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Topic(s)

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Funding Scheme

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MSCA-IF-EF-ST - Standard EF

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-MSCA-IF-2017

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Coordinator

UNIVERSITY OF BRISTOL
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 183 454,80
Address
BEACON HOUSE QUEENS ROAD
BS8 1QU BRISTOL
United Kingdom

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Region
South West (England) Gloucestershire, Wiltshire and Bristol/Bath area Bristol, City of
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 183 454,80
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