Lattices, Order

[knowledge base]

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LATTICES, ORDER and their underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/fzpc4

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 276, 2022 [KX]

The qubit permutation semigroup

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We propose the equivalence between one Wolfram model and the qubit permutation semigroup.

https://doi.org/10.31219/osf.io/qkdxv

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 270, 2022 [KP]

The inner structure of time

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Based on the idea that time is computation, we discuss one interpretation regarding the inner structure of time that explains quantum superposition.

https://doi.org/10.31219/osf.io/chmqy

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 269, 2022 [KO]

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LJ calculus with stoup: A pedagogical approach

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We prove a theorem in calculus LJ and in LJT (LJ with stoup) as well. We show that while there are many proofs to one single theorem in LJ, there is exactly one proof in LJT.

https://doi.org/10.31219/osf.io/z6h4q

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 268, 2022 [KN]

Proofs of Theorems in Topology

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We prove some theorems in topology using the fewest number of symbols at each step. Our purpose is pedagogical.

https://doi.org/10.31219/osf.io/wn24y

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 267, 2022 [KM]

Theorems in Topology

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This is an introductory collection of theorems in topology.

https://doi.org/10.31219/osf.io/zm56w

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 4, Article 260, 2022 [KE]

Personal Handbook of Logic

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This is a personal collection of definitions and results from first-order logic.

https://doi.org/10.31219/osf.io/8wck9

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 252, 2021 [JX]

Categories in symbols

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An introduction to the language of category theory is presented in a very minimalistic fashion, using the fewest number of symbols as possible. In this white paper, the focus is on the main concepts underlying categories.

https://doi.org/10.31219/osf.io/k9fbc

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 247, 2021 [JR]

Lyapunov exponents for the Lorentz transformations

[microresearch]

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We calculate the Lyapunov exponents of the complex stretch factor $f^-(z)=(1-z^2)^{-1/2}$ from the Lorentz transformations and of its reciprocal $f^+(z)=(1-z^2)^{+1/2}$ as well.

https://doi.org/10.31219/osf.io/jsncm

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 239, 2021 [JJ]

Time is a discrete dynamical system

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We conjecture that quantum vacuum operates its discrete dynamics in a superposition of a class of iterating functions such that each physical system operates within a distinct function.

https://doi.org/10.31219/osf.io/8f4yg

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 238, 2021 [JI]

Two non-isomorphic structures with the same number of elements

[white paper: pedagogical]

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For pedagogical purposes, we define a simple language to show that two different structures with the same number of elements in their universes are not isomorphic.

https://doi.org/10.31219/osf.io/ytcru

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 234, 2021 [JE]

The isomorphism between structures is an equivalence relation

[white paper: pedagogical]

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We present a pedagogical proof that the function of an isomorphism between two structures is an equivalence relation.

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

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 233, 2021 [JD]

The terms of a language with one constant, one binary function, and one 4-ary function have an odd number of symbols

[white paper: pedagogical]

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We show using induction on complexity that all terms of a language with one constant, one binary function, and one 4-ary function have an odd number of symbols.

https://doi.org/10.31219/osf.io/ue32a

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 231, 2021 [JB]

The power set has 2^n elements

[white paper: pedagogical]

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We prove that if A is a set consisting of n elements, then A has 2^n subsets.

https://doi.org/10.31219/osf.io/mptx7

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 230, 2021 [JA]

A linear algebra

[knowledge base]

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

https://doi.org/10.31219/osf.io/8emp4

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 225, 2021 [IV]

Linear Transformations

[knowledge base]

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LINEAR TRANSFORMATION and its underlying definitions are presented in this white paper [knowledge base (http://omkb.org)].

doi.org/10.31219/osf.io/cjdwg

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 224, 2021 [IU]

Every group is isomorphic to a group of permutations

[knowledge base]

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CAYLEY’s THEOREM, the SYMMETRIC GROUP THEOREM, and their underlying definitions are presented in this white paper (knowledge base = http://omkb.org).

https://doi.org/10.31219/osf.io/63pmy

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 223, 2021 [IT]

A semigroup with a left identity and left inverse is a group

[pedagogical]

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We translate the proof of the theorem stated in the title, accomplished by Prover9, into a human readable form.

https://doi.org/10.31219/osf.io/wsbne

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 222, 2021 [IS]

The membership relation

[knowledge base]

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The MEMBERSHIP RELATION and its underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/r9p2m

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 221, 2021 [IR]

Modules over Rings

[knowledge base]

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MODULES over RINGS and its underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/xjsc7

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 220, 2021 [IQ]

Vector space over a field

[knowledge base]

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VECTOR SPACE OVER A FIELD and its underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/g6ux5

Open Mathematics Collaboration

Op. J. Math. Phys.
Volume 3, Article 219, 2021 [IP]