Author Archives: varasdemate

About varasdemate

lackluster blogger, recently getting the hang of blogging

11 Películas con Matemáticas

Originally posted on Just Categories:
— See this page in English – Sobre el Autor — Buscamos buenas historias donde la gente que la protagoniza sea matemática, es decir, gente cuya facilidad para comprender la abstracción de la naturaleza ha decidido sus caminos. Acá vamos a…

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Woman arrested for stinking up bathroom and closing down restaurant

The Valley Report DAVE WEZL CEDAR RAPIDS, IA – Police and fire-paramedics were called to a restaurant when it had to close its doors early on Tuesday evening after a woman spent 45 minutes in the bathroom causing ‘unbearable, inhuman … Continue reading

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Bing’s House

Originally posted on Sketches of Topology:
So there’s this example of a 2-complex that’s contractible, but not obviously so. Well actually, once you see it, it’s not too hard to see. Bing’s house with two rooms. Blah. It’s not so…

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Trying out latex in WP v2.0

Found this blog… trying out some  in wordpress. How did it come out? Please comment below.

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Topological maps or topographic maps?

Originally posted on David Richeson: Division by Zero:
While surfing the web the other day I read an article in which the author refers to a “topological map.” I think it is safe to say that he meant to write…

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Cayley-Menger determinants

Originally posted on Complex Projective 4-Space:
Niccolo Fontana Tartaglia, whom you may recognise from having discovered Cardano’s solution to the general cubic equation, also discovered a generalisation of Heron’s formula to compute the volume of a tetrahedron: As you may…

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Notes from Ring Theory

A list of notes, by date Nov 8 – Densidad… Nov 15 Pere Menal ( 1992) Ver si un módulo artiniano tiene semilocal. Rosa Camp & W. Ricki Sí. Krull ’34 Módulos Artinianos satisfacen el Teorema de Krull-Schmidt? No es … Continue reading

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The Fredholm Alternative

Originally posted on Scientific Clearing House:
One of the most useful theorems in applied mathematics is the Fredholm Alternative.  However, because the theorem has several parts and gets expressed in different ways, many people don’t know why it has “alternative”…

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What riding my bike has taught me about white privilege

trending topic in the USA right now

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Alexander Grothendieck 1928–2014

Originally posted on Gödel's Lost Letter and P=NP:
Creating vast beautiful mansions from the becoming of nothing L’espace d’un homme film source Alexander Grothendieck, who signed his works in French “Alexandre” but otherwise kept the spelling of…

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