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3h
answered Ideals and submodules are the same
3h
answered Definition of Inverse in Linear and Abstract Algebra
3h
answered Is it accurate to say that multiplication of two integers yields an integer?
1d
answered When is an ideal also a ring, and could then be anything said about its relation to the original ring
2d
answered Show that the left ideal $(N_G) \subset F[G]$ is a simple submodule of $F[G]$, where $N_G = {\sum}_{g \in G} {g} \in F[G]$.
Feb
4
answered Is the following set a group?
Feb
4
answered Relationship between operations of a ring
Feb
4
answered Size of a point.
Feb
2
answered Unique factorization domain and principal ideals .
Feb
1
answered Prove that the sum of ideals of a ring A equals A and its intersection is zero.
Jan
29
answered I don't know Maschke's theorem in the group representation.
Jan
29
answered If $R$ is a integral domain and $S$ is a subring of $R$ then is $S$ an integral domain automatically?
Jan
29
answered Can a finite ring be ordered?
Jan
27
answered Is $p-t(p+q)$ the same as $p+t(q-p)$
Jan
26
answered Ideal intersection in Boolean polynomial ring
Jan
26
answered What does echelon mean?
Jan
25
answered a cyclic nonsimple module over $\mathbb{Z}$
Jan
22
answered Hint on proving that the component in a radical splitting of a quadratic space is regular
Jan
22
answered How to use linear transformations to change an original image
Jan
20
answered A question about Semisimple ring and their Jacobson radical