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1 day ago · Mathematics Stack Exchange is a platform for asking and answering questions on mathematics at all levels.
functional analysis - Where can I find the paper "Un théorème de ...
Nov 12, 2015 · J. P. Aubin, Un théorème de compacité, C.R. Acad. Sc. Paris, 256 (1963), pp. 5042–5044. It seems this paper is the origin of the "famous" Aubin–Lions lemma. This lemma is …
Como calcular el area de la superficie de un huevo con calculo
Estoy haciendo mi reciente evaluación interna del IB Matemáticas HL y mi tema es cómo calcular el área de superficie de un huevo . Quiero aplicar el cálculo conocimiento en esta pregunta, pero mi …
Why do un-integrable functions exist? - Mathematics Stack Exchange
Jun 24, 2015 · By un-integrable I mean functions whose antiderivative can not be expressed in terms of elementary functions. I recently learnt that any differentiable function can be expanded using the …
(Un-)Countable union of open sets - Mathematics Stack Exchange
Jun 4, 2012 · A remark: regardless of whether it is true that an infinite union or intersection of open sets is open, when you have a property that holds for every finite collection of sets (in this case, the union …
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If $N_G (U) = TU$ for $T = \langle t \rangle$ with involution $t$, and ...
Jan 10, 2016 · (b) For $UN$ to be a Frobenius group with complement $U$, we must have for every $g \in UN$ not in $U$ that $U^g \cap U = 1$. We can suppose $g \in N$, and we have to exclude that …
study of the sequence (Un) defined by $U_ {0}=a$ and $U_ …
Oct 7, 2020 · Show that (Un) is bounded, convergent and find its limit. To prove that the sequence is bounded i intuitively used the fixed point theorem because at first glance i don't really know the …
Suppose that $ (x_n)$ and $ (y_n)$ are convergent sequences and let …
Suppose that $ (x_n)$ and $ (y_n)$ are convergent sequences and let un=min {xn,yn}. Prove that (un) is a convergent sequence Ask Question Asked 11 years, 6 months ago Modified 11 years, 6 months ago
Limit sequence (Un) and (Vn) - Mathematics Stack Exchange
Limit sequence (Un) and (Vn) Ask Question Asked 9 years, 3 months ago Modified 9 years, 3 months ago