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TOPoS

Astronomy and Astrophysics, 2021
Piercarlo Bonifacio   +2 more
exaly   +2 more sources

TOPoS [PDF]

open access: yesAstronomy and Astrophysics, 2018
Context. The goal of the Turn-Off Primordial Stars survey (TOPoS) project is to find and analyse turn-off (TO) stars of extremely low metallicity. To select the targets for spectroscopic follow-up at high spectral resolution, we relied on low-resolution ...
P. Bonifacio   +20 more
exaly   +3 more sources

Green conflicts in environmental discourse. A topos based integrative analysis of critical voices

Critical Discourse Studies, 2020
‘Green’ concerns about nature, the environment or the climate have traditionally been juxtaposed with concerns about economic growth or job creation. Recently, however, a new type of conflict has appeared, in which different green concerns, for instance ...
A. Horsbøl
exaly   +2 more sources

Every elementary higher topos has a natural number object

Theory and Applications of Categories, 2018
We prove that every elementary higher topos has a natural number object. We achieve this by defining the loop space of the circle and showing that we can construct a natural number object out of it.
Nima Rasekh
semanticscholar   +1 more source

Category-Theoretical and Topos-Theoretical Frameworks in Machine Learning: A Survey

Axioms
In this survey, we provide an overview of category theory-derived machine learning from four mainstream perspectives: gradient-based learning, probability-based learning, invariance and equivalence-based learning, and topos-based learning.
Yiyang Jia   +3 more
semanticscholar   +1 more source

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