martini

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530 Answers

newest activity votes
3
Show that Y* is isometrically isomorphic with $X^*/Y^\perp$
3
Let $f:\Bbb R^{n} \to \Bbb R^{n}$ be the function defined by $f(x)=x\left \|x \right \|^{2}$ for $x \in \Bbb R^{n}$.
3
How to find the Hilbert Adjoint operator of $T(f)(t)=\int_{0}^tf(s)\ ds$?
3
If $A=(a_{ij})$ is positive semidefinite, prove that $a_{ij}^2 \leq a_{ii}a_{jj}$ for all $i \neq j$
3
Some questions about First countable space and continuous function
3
Regular Language : $\{a^m b^n \mid mn \ge 10\}$
3
Factor $x^3-x^2+2$ in $\mathbb Z_{3}[x]$
3
Another GCD question: $(x^2-x+1)$ and $(x^3-x^2+2)$
3
Matrix of a quadratic form?
3
Orthogonal Projection Proof
3
Limit of Function that Satisfies Simple Property
3
The characterization of compact space
3
Is f continuous?
3
Is it true that $\mathbb{C}\otimes_\mathbb{Z}\mathbb{C}=\mathbb{C}$?
3
An integration identity
3
How to find the minimum value of volume of a sphere constrained by a equation?
3
Why is ${\aleph_\omega}^{\aleph_1} = {\aleph_\omega}^{\aleph_0} \cdot {2}^{\aleph_1}$?
3
Find formulae for $P(X=x)$ and $P(Y=y)$ in terms of $f$ and $g$
3
Showing that two variables do no have a bivariate normal distribution
3
Christoffel symbols and fundamental forms
3
Why is QR factorization useful and important?
3
Derivative of order N of a product of complex functions
3
Series of Mersenne primes
3
Algorithmic Complexity of $i^2$
3
How to `bound' $L^\infty$ by the constant function $1$
3
Contravariant Tensors
3
Ring map-integers proof
3
Variational distance basic properties
3
Integrate triangle
3
“Theorem of Witt” for modules
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