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1d
comment Is $C^{\infty}([0,1])$ a Banach space?
You are right @tomasz. Take a look here
Sep
16
revised Mathematical background for one wishing to study Chaos/Complexity Theory
edited tags
Sep
16
comment Calculating the directional derivative of $ xy^3/(x^3+y^6)$.
What do you mean by prove it?
Sep
16
revised Calculating the directional derivative of $ xy^3/(x^3+y^6)$.
deleted 2 characters in body; edited tags; edited title
Sep
15
revised Given $w=e^{2i\pi/7}$, perform algebraic manipulations with complex numbers like $w+w^2+w^4$
deleted 264 characters in body; edited title
Sep
15
reviewed Close Rearranging $\sqrt{x^2+1}+x$
Sep
15
reviewed Close Under which operation is $\mathbb{Z}$ not closed?
Sep
15
reviewed Close Pre-calculas and arithmetic series
Sep
15
reviewed Close Total Derivative - Application
Sep
15
reviewed Close Example of sigma algebra that is not a topology
Sep
15
revised Qualitative properties of solutions to a ordinary differential equation.
edited tags; edited title
Sep
15
reviewed Close What is the area of a cube?
Sep
15
comment Is the sum of two Sobolev spaces defined on two different sets the Sobolev space defined on the union of these two sets?
How do you interpret this "sum"? I mean, for example, what is the sum of the functions in your example?
Sep
15
reviewed Close How I could solve the trignometric equation
Sep
15
reviewed Close Could someone walk me through determining the domain of arcsin x-2/3?
Sep
15
reviewed Close Any good resources for Lagrangian and Hamiltonian Dynamics?
Sep
15
reviewed Leave Open limit point of union and intersection of sets
Sep
14
comment Is it true that $L^2$ is compactly embedded in $(W^{1,2}_{0})^{\ast}$?
It should be worth to mentioning that Adams book, has an characterization for the domains where Rellich-Kondrachov theorem does work. I think it is in chapter 6.
Sep
14
comment The use of Schauder fixed point in ladyzehskaya
Can you prove existence with both methods?
Sep
13
comment Hi every body .. I have question in numerical analysis
You should reconsider your history here and start to wonder, why your questions get closed.