Economics
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user1633011
  • Member for 7 years, 7 months
  • Last seen more than 6 years ago
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question
20
Where to start learning economics as a mathematician?
Mar 6, 2015
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36
Can $ f\colon \mathbb{R}^k \to \mathbb{R}^n$ such that $ \forall y \in \operatorname{im}(f)$, $f^{-1}(y) = \{a_y,b_y\} $ be continuous?
16
Requiring students to know all the proofs on an oral exam
12
Can the sum of two measurable functions be non-measurable if they are valued in a general normed space instead of $ \mathbb{R} $?
9
Every metric space can be isometrically embedded in a Banach space, so that it's a linearly independent set
9
Are distance functions $ d(a_1,x), ..., d(a_n,x) $ for an arbitrary metric space linearly independent?

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