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Erin
  • Member for 5 years, 3 months
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3 votes
1 answer
161 views

Why do we study irreducibility of polynomials? What are some real-life applications?

2 votes
2 answers
106 views

Poset vs Set and Some Notations

2 votes
3 answers
95 views

Very confused about the definition of subbasis for a topology in Munkres's book

1 vote
3 answers
94 views

If $f :R \to S$ is an isomorphism from ring $R$ to ring $S$, both with identity, does $f(1_R) = 1_S$?

1 vote
2 answers
67 views

Can you use induction from $n$ to $n^2$ to prove a statement is true for all non-negative real numbers? [closed]

0 votes
3 answers
532 views

Does a non-invertible matrix transformation "really" not have an inverse?

0 votes
1 answer
26 views

Linear Dependence / Independence of Matrices

0 votes
1 answer
22 views

Functions that are metrics on the x-axis but not metrics on R^2 as a whole?

0 votes
2 answers
108 views

On re-writing polynomials of the form, $P(x) = x^n - b^n$

0 votes
1 answer
38 views

What does this notation mean. (Asymptotic approximation, from Hardy's Number Theory textbook)

0 votes
1 answer
173 views

Exact Definition of Non-Isomorphic Posets