1 day ago · Mathematics Stack Exchange is a platform for asking and answering questions on mathematics at all levels.

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 …

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 …

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 …

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 …

Limit sequence (Un) and (Vn) Ask Question Asked 9 years, 3 months ago Modified 9 years, 3 months ago

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, 5 months ago Modified 11 years, 5 months ago

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 …

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Aug 3, 2021 · And there is no canonical way of doing it, so if you want others to know which order you're talking about you have to say exactly what your order is. And then there is the possibility of sets …