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Monoid
New post in Monoid
How to prove associativity
August 1st, 2022
monoid
Different right / left identity and two sided identity element
August 1st, 2022
monoid
abstract-algebra
Example of a monoid that is not a group
August 1st, 2022
monoid
abstract-algebra
Prove that in a finite monoid each element is invertible
December 3rd, 2020
idempotents
monoid
Invertible elements and identity element in $\mathbb Z_6$ under the circle product
August 1st, 2022
abstract-algebra
monoid
Operations on power set
August 1st, 2022
monoid
group-theory
Why is a monoid with right identity and left inverse not necessarily a group?
August 1st, 2022
semigroups
examples-counterexamples
group-theory
monoid
Proving a set (R, *) is a monoid
August 1st, 2022
abstract-algebra
monoid
what is the classifying space of a monoid
August 1st, 2022
monoid
algebraic-topology
category-theory
homotopy-theory
classifying-spaces
Quotient of a monoid by equivalence relation
August 1st, 2022
monoid
Is the category of monoids cartesian closed? Why?
August 1st, 2022
monoid
category-theory
Monoid homomorphism
August 1st, 2022
monoid
abstract-algebra
Matrices in group theory
August 1st, 2022
group-theory
monoid
abstract-algebra
Is $\{-2,2\}$ a group under $a\star b=\max\{a,b\}$?
August 1st, 2022
group-theory
definition
monoid
finite-groups
How can you use Green's relations to learn about a monoid?
November 20th, 2020
abstract-algebra
monoid
Monoidal product is coproduct in category of commutative monoids
August 1st, 2022
monoidal-categories
monoid
tensor-products
category-theory
Do Monoid Homomorphisms preserve the identity?
May 30th, 2020
proof-verification
group-theory
monoid
Example of a non-commutative monoid
March 4th, 2020
monoid
abstract-algebra
Basic examples of monoids?
March 28th, 2020
abstract-algebra
monoid
examples-counterexamples
In a non-commutative monoid, is the left inverse of an element also the right inverse?
March 21st, 2020
monoid
abstract-algebra
In a Cayley table, which Group axioms fail when an entry appears twice in a row or a column?
August 1st, 2022
axioms
cayley-table
monoid
semigroups
group-theory
Trying to understand significance of monoid as a one object category
August 1st, 2022
category-theory
monoid
Wreath product and solvability
August 1st, 2022
monoid
wreath-product
group-theory
reference-request
First Isomorphism Theorem for Monoids?
August 1st, 2022
monoid
abstract-algebra
Why is the free monoid free?
August 9th, 2022
semigroups
monoid
Definition of a monoid: clarification needed
September 15th, 2020
category-theory
definition
monoid
abstract-algebra
Is every monoid isomorphic to its opposite
June 9th, 2020
abstract-algebra
examples-counterexamples
monoid
Does existence of a left or right inverse imply existence of inverses?
February 9th, 2022
abstract-algebra
group-theory
monoid
inverse
Applications of Eckmann–Hilton argument
August 1st, 2022
algebraic-topology
monoid
examples-counterexamples
category-theory
Why does a group homomorphism preserve more structure than a monoid homomorphism while satisfying fewer equations
January 4th, 2022
monoid
category-theory
group-homomorphism
group-theory
abstract-algebra
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