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Andrea
  • Member for 9 years
  • Last seen more than 1 year ago
  • London
63 votes
3 answers
8k views

Is "A New Kind of Science" a new kind of science?

13 votes
2 answers
2k views

What is the topology of the hyperreal line?

4 votes
2 answers
322 views

Creating the first infinitesimal by use of Compactness Theorem

3 votes
1 answer
1k views

Intuition on the Representable Functor

3 votes
1 answer
173 views

Difference between continuous and uniformly continuous functions on a dense metric subspace.

1 vote
1 answer
121 views

Hybrid equivalence of Polynomial-like maps

1 vote
1 answer
79 views

Step in the proof of Riemann Mapping Theorem

1 vote
1 answer
37 views

Intersection of the domains of the inverses of a one-parameter family

1 vote
1 answer
227 views

Help for the proof of Lemma for pull-backs

0 votes
2 answers
165 views

1 = -1 Clearest way to explain why this proof is wrong. [duplicate]

0 votes
1 answer
57 views

$g(x,y,t) = f(x+yt,y,t)$ what is $\partial_t g$?

0 votes
1 answer
421 views

How is an ODE a consistency condition?