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 Mar18 awarded Curious Mar17 accepted system of equations with $n$ equations and $2^k n$ unknowns Mar17 comment system of equations with $n$ equations and $2^k n$ unknowns So the dimension of the solution space is $(2^k-1)n$ then? Mar17 asked system of equations with $n$ equations and $2^k n$ unknowns Mar16 accepted Functions in $L^p$ spaces Mar16 comment Functions in $L^p$ spaces aha sure.. I was trying identically the same function as you but $1/x$, so it didn't work. I see I see! thanks a lot! Mar16 comment Functions in $L^p$ spaces Exactly, that function is in all $L^p$ for $p\in [2,\infty]$, but is it also in $L^p$ for $p>1$ so if $p\geq 1+\varepsilon$ then it is true that $\|f\|_p \leq C$ for all $p\geq 1+\varepsilon$ where $C$ is the biggest of all constants. Where am I wrong? Mar16 revised Functions in $L^p$ spaces deleted 3 characters in body Mar16 asked Functions in $L^p$ spaces May8 awarded Scholar May8 accepted Fréchet derivative, is this true? May7 comment Fréchet derivative, is this true? Here when you write $D_n$ you mean $D_nf := D\pi_n f$ right? and you need that this sequence is in $\ell^2$, I imagined something like that. Is there any closer expression for this term $E_n(h)$? Thank you very much! May7 comment Fréchet derivative, is this true? In that case we should add one more condition :) namely, that the Fréchet derivative is in addition bounded. Would that be enough? I also have the impression that one should have something like $\{D(\pi_nf)\}_{n\geq 0}\in \ell_1(\mathbb{N},L(H_2,\mathbb{R}))$, i.e. that the sequence is summable or something.. May7 awarded Editor May7 revised Fréchet derivative, is this true? edited body May7 asked Fréchet derivative, is this true? Mar8 awarded Teacher Jan28 answered Is the event $\{\max\{X_1,X_2\}=X_2\}$ measurable with respect to $\sigma(\max\{X_1,X_2\})$? Jan28 awarded Supporter Jan22 asked Markov chain, enter time