Mathematics
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balddraz
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All Questions Answers
Score Newest
answer
32
Why doesn't this proof show that the operation on a factor group is well-defined?
Aug 1, 2019
answer
25
Are there continuous functions who are the same in an interval but differ in at least one other point?
Apr 12, 2019
answer
22
Unsure of my work evaluating $\int \frac{dx}{\sqrt{x + \sqrt{x + \sqrt{x + \cdots}}}}$
Jul 25, 2019
answer
15
Counterexample: a pair of linearly ordered sets that are isomorphic to subsets of the other, but not isomorphic between them
Apr 28, 2019
answer
12
Is every $1$-dimensional vector space a field?
Aug 11, 2019
question
11
If a set $S$ has a choice function, does $\bigcup S$ have one too?
Jul 6, 2015
answer
7
can we say a function $f:[a,b]\to \Bbb{R}$ is continuous at the end points?
Jun 10
answer
7
Norm of Finite Product of Normed Spaces generates Product Topology
Aug 14, 2019
answer
5
Every interval $I \subset \mathbb{R}$ is connected. [Proof clarification]
Jul 16, 2019
answer
5
In an order topology, are connected sets convex, and are they intervals?
Jun 12
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Transferring PhD due to Colleague Harassment

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