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New posts in monoid
Applications of Eckmann–Hilton argument
algebraic-topology
category-theory
examples-counterexamples
monoid
Why is a monoid with right identity and left inverse not necessarily a group? [duplicate]
group-theory
examples-counterexamples
semigroups
monoid
Is there a name for an element $z$ such that $\,zx = z = xz\,$ for all $x$?
semigroups
monoid
magma
Is any group the automorphism group of some (commutative) monoid?
group-theory
monoid
Prove if an element of a monoid has an inverse, that inverse is unique
abstract-algebra
monoid
Definition of a monoid: clarification needed
abstract-algebra
category-theory
definition
monoid
A structural proof that $ax=xa$ forms a monoid
abstract-algebra
soft-question
category-theory
universal-algebra
monoid
Tensor product of monoids and arbitrary algebraic structures
abstract-algebra
category-theory
tensor-products
monoid
universal-property
A finite Monoid $M$ is a group if and only if it has only one idempotent element
abstract-algebra
group-theory
monoid
What's the difference between a monoid and a group?
group-theory
monoid
Why the terminology "monoid"?
abstract-algebra
terminology
math-history
monoid
Monoid as a single object category
category-theory
monoid
Why does a group homomorphism preserve more structure than a monoid homomorphism while satisfying fewer equations
abstract-algebra
group-theory
category-theory
group-homomorphism
monoid
Let $R$ be a ring. Define a circle composition ◦ in R by $a ◦ b =a+b-ab$, $a, b ∈ R$.
abstract-algebra
group-theory
ring-theory
monoid
What can we learn about a group by studying its monoid of subsets?
group-theory
reference-request
soft-question
semigroups
monoid
Are there any interesting semigroups that aren't monoids?
big-list
abstract-algebra
semigroups
monoid
Kaplansky's theorem of infinitely many right inverses in monoids?
abstract-algebra
ring-theory
monoid
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