Mathematics
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shuhalo

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 9 years, 3 months
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  • Last seen Feb 18 at 21:21

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Top posts (141) All Questions Answers | Votes Newest

73 Mathematical precise definition of a PDE being elliptic, parabolic or hyperbolic Feb 11 '11
28 When is the image of a linear operator closed? Mar 9 '11
25 A smooth function's domain of being non-analytic Dec 4 '10
21 Is every Banach space densely embedded in a Hilbert space? Nov 17 '15
17 Distinction between 'adjoint' and 'formal adjoint' Dec 3 '10
14 Can you equip every vector space with a Hilbert space structure? Jan 10 '15
12 Covariant derivative of vector field along itself: $\nabla_X X$ Dec 14 '14
10 Realification and Complexification of vector spaces Feb 24 '11
9 Dual of Sobolev space $W^{1,p}(U)$ for $U$ an arbitrary subset of $\mathbb R^n$ Dec 15 '10
9 Is the 0x0 matrix (zero-times-zero matrix) a well-defined concept? Sep 3 '16
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