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Mathematics
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Martin
  • Member for 11 years, 10 months
  • Last seen more than 9 years ago
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41
When exactly is the dual of $L^1$ isomorphic to $L^\infty$ via the natural map?
May 29, 2013
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33
On the norm of a quotient of a Banach space.
Feb 11, 2013
answer
22
What are examples of closed unbounded operators whose domain is not closed?
Mar 28, 2013
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22
What is the topological dual of a dual space with the weak* topology?
Feb 6, 2013
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21
Space of bounded functions is reflexive if the domain is finite
Dec 4, 2012
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19
On the completeness of the generalized Laguerre polynomials
Jun 11, 2013
answer
17
Approximating indicator function on open set continuous functions
Feb 4, 2013
answer
16
Let the function $f:[a,b] \to \mathbb R$ be Lipschitz. Show that $f$ maps a set of measure zero onto a set of measure zero
Mar 24, 2013
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13
Measurable Cauchy Function is Continuous
Apr 14, 2013
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13
Space of homeomorphisms Homeo$(S^1)$ of $S^1$ deformation retracts onto $O(2)$
Mar 7, 2013
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Acceptance rate no longer shown?
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39
Old books still used
23
A property that forces the NORM to be induced by an INNER PRODUCT
21
Is the closed unit ball of the Hilbert space homeomorphic to the unit sphere ?
14
Direct proof of the separation theorem of Hahn-Banach
12
Does ZF imply a weak version of Hahn-Banach?