this post was submitted on 12 Mar 2025
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[–] Leate_Wonceslace@lemmy.dbzer0.com 0 points 2 months ago (14 children)

Okay, so I had a personal project for a long time that addressed the potential for an algebra that allowed for the multipicitive inverse of the additive identity.

In the context of the resulting non-associative algebra, 0/0=1, rather than 0.

For anyone wondering, the foundation goes as such: Ω0=1, Ωx=ΩΩ=Ω, x+Ω=Ω, Ω-Ω=Ω+Ω=0.

A fun consequence of this is the exponential function exp(x)=Σ((x^n)/n!) diverges at exp(Ω). Specifically you can reduce it to Σ(Ω), which when you try to evaluate it, you find that it evaluates to either 0 or Ω. This is particularly fitting, because e^x has a divergent limit at infinity. Specially, it approaches infinity when going towards the positive end and it approaches 0 when approaching the negative.

There's more cool things you can do with that, but I'll leave it there for now.

[–] kogasa@programming.dev 1 points 2 months ago (4 children)

There's not much coherent algebraic structure left with these "definitions." If Ωx=ΩΩ=Ω then there is no multiplicative identity, hence no such thing as a multiplicative inverse.

[–] Leate_Wonceslace@lemmy.dbzer0.com 1 points 2 days ago (1 children)

No; 1 is the multiplicative identity.

1Ω=Ω, and for all x in C 1x=x. Thus, 1 fulfills the definition of an identity.

[–] kogasa@programming.dev 2 points 2 days ago (1 children)

1 = Ω0 = Ω(Ω + Ω) = ΩΩ + ΩΩ = Ω + Ω = 0

so distributivity is out or else 1 = 0

[–] Leate_Wonceslace@lemmy.dbzer0.com 1 points 1 day ago (1 children)

Correct; multiplying by Ω doesn't distribute over addition.

[–] kogasa@programming.dev 1 points 1 day ago

Distributivity is a requirement for non associative algebras. So whatever structure is left is not one of those

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