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Aug
2
comment Irreducible $\mathbb{F}G$ -module
Hi. One should ask independent questions indenpendently. And can you show some of your work?
Aug
2
comment Use Lagrange multipliers to find minimum and maximum
@DanielFischer I was also irrated at first, note that $\frac{\partial F}{\partial \lambda} = g$, so this line says $g(x,y,z) = 0$ and belongs there.
Aug
2
answered Mac Lane exercise - Elegant comma category exercise proven by S.A Huq
Aug
2
comment Use Lagrange multipliers to find minimum and maximum
Hm ... there are no points $(x,y,z) \in \mathbb R^3$ with $g(x,y,z) = x^2 + y^2 + z^2 + 1 = 0$, as $g \ge 1$.
Aug
2
comment Deriving the Pratt-Arrow Definition
It seems to me that the only random variable here is $\epsilon$ and that epsilon follows a distribution with $\mathbb E[\epsilon] = 0$ and $\mathbb V[\epsilon] = \sigma_\epsilon^2$. But this is only guessing, can you provide a source?
Aug
2
comment Counting Real Numbers
You are missing all real numbers which do not have a finite decimal expansion, your table does not even contain all rationals, for example $1/3 = 0.3333\ldots$.
Jul
28
awarded  Enlightened
Jul
28
awarded  Nice Answer
Jul
28
comment continuous onto map from $(0,1)\to (0,1]$
@TaxiDriver ... and now: can you map $[\frac 12, 1)$ onto $(0,1]$?
Jul
28
answered continuous onto map from $(0,1)\to (0,1]$
Jul
28
reviewed Reject Quadratic Diophantine Equation in Four Variables
Jul
27
revised Convergence of Improper Integral: $\int_{e^2}^\infty {dx\over x\log\log x}$
added 3 characters in body
Jul
27
reviewed Edit Fibonacci terms with primal distances
Jul
27
revised Fibonacci terms with primal distances
mathematics
Jul
27
reviewed Approve $\tan (n) > n$ for infinitely many positive integers
Jul
27
reviewed Reject the strategy about a $0-1$ matrix game
Jul
27
reviewed Reject What should be the method for solving and solution of $\frac{x^2+y^2}{x^2-y^2}$?
Jul
27
reviewed Approve Achilles without tortoise
Jul
26
reviewed Reject Harmonic Series is not an integer
Jul
26
reviewed Close Proof that the symmetric difference is associative