![تويتر \ Sam Walters ☕️ على تويتر: "Two quick examples of local rings (one commutative, one non-commutative). (The first one I thought up, the second is known from complex variables theory.) References. [ تويتر \ Sam Walters ☕️ على تويتر: "Two quick examples of local rings (one commutative, one non-commutative). (The first one I thought up, the second is known from complex variables theory.) References. [](https://pbs.twimg.com/media/FHzl9ZGVEAAlL0e.jpg)
تويتر \ Sam Walters ☕️ على تويتر: "Two quick examples of local rings (one commutative, one non-commutative). (The first one I thought up, the second is known from complex variables theory.) References. [
![abstract algebra - Substitution principle example? (for ring homomorphisms $R[x]\to S$) - Mathematics Stack Exchange abstract algebra - Substitution principle example? (for ring homomorphisms $R[x]\to S$) - Mathematics Stack Exchange](https://i.stack.imgur.com/hlYNb.png)
abstract algebra - Substitution principle example? (for ring homomorphisms $R[x]\to S$) - Mathematics Stack Exchange
![6.6 Rings and fields Rings Definition 21: A ring is an Abelian group [R, +] with an additional associative binary operation (denoted ·) such that. - ppt download 6.6 Rings and fields Rings Definition 21: A ring is an Abelian group [R, +] with an additional associative binary operation (denoted ·) such that. - ppt download](https://images.slideplayer.com/34/10171857/slides/slide_13.jpg)
6.6 Rings and fields Rings Definition 21: A ring is an Abelian group [R, +] with an additional associative binary operation (denoted ·) such that. - ppt download
![Sam Walters ☕️ on Twitter: "The Weyl algebra cannot be embedded inside a Banach algebra. (Not hard to show using its simplicity in the sense of ring theory.) #math #algebra #topology https://t.co/rXhxxYrf0j" / Sam Walters ☕️ on Twitter: "The Weyl algebra cannot be embedded inside a Banach algebra. (Not hard to show using its simplicity in the sense of ring theory.) #math #algebra #topology https://t.co/rXhxxYrf0j" /](https://pbs.twimg.com/media/EdgYQyaVcAAv3Ba.jpg)