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Amanda
  • Member for 9 years, 4 months
  • Last seen more than 3 years ago
6 votes
3 answers
2k views

What does it mean for a ring to have an involution? Are there any examples?

3 votes
1 answer
303 views

Determinant function

2 votes
1 answer
807 views

Are there different left and right ideals in a ring without identity?

2 votes
1 answer
1k views

Rank of a block lower triangular matrix

1 vote
1 answer
423 views

Prove that a particular matrix is full column rank

1 vote
2 answers
756 views

invertible matrix is a square matrix

1 vote
1 answer
100 views

generalized inverse in the theory of projective module

1 vote
1 answer
403 views

direct sum of projective module is free

0 votes
1 answer
215 views

Properties of Lebesgue integrable functions

0 votes
1 answer
211 views

How to dram Hasse Diagram in a lattice theory

0 votes
1 answer
526 views

connectivity of brain's network of neurons [closed]

0 votes
0 answers
46 views

for an idempotent linear map T, Range T is projective