Presheaf (of abelian groups) on a topological space

[knowledge base]

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PRESHEAF and its underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/2y5s4

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 201, 2021 [HY]

Mathematical tags of group theory

[microreview]

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I present a collection of mathematical results regarding group theory organized by tags.

https://doi.org/10.31219/osf.io/9xk68

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 2, Article 101, 2020 [DX]

Group actions: a concise approach

[microreview]

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Some definitions and results of group actions are presented within the fewest words and symbols as possible.

https://doi.org/10.31219/osf.io/9dt34

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 2, Article 97, 2020 [DT]

Homomorphisms: a concise approach

[microreview]

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Some definitions and results of homomorphisms are presented within the fewest words and symbols as possible.

https://doi.org/10.31219/osf.io/7pgcs

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 2, Article 95, 2020 [DR]