Octubre del 2019

Matemáticas: Enlaces, Novedades y Recursos (153)

Publicado el 31 de Octubre, 2019, 18:36

Demostración sin palabras de la fórmula para calcular el área de un círculo
https://www.gaussianos.com/demostracion-sin-palabras-de-la-formula-para-calcular-el-area-de-un-circulo/

R.W. Floyd, L. Steinberg, An adaptive algorithm for spatial grey scale, 1976
https://twitter.com/gabrielpeyre/status/1145195328922148864

Harmonic Numbers
https://twitter.com/johncarlosbaez/status/1145374455037718528

This is a really juicy result on random permutations
https://twitter.com/johncarlosbaez/status/1146103560339197952

Random Surfaces Hide an Intricate Order
https://www.quantamagazine.org/random-surfaces-hide-an-intricate-order-20190702/

The significance and acceptance of Helfgott"s proof of the weak Goldbach Conjecture
https://math.stackexchange.com/questions/3164020/the-significance-and-acceptance-of-helfgott-s-proof-of-the-weak-goldbach-conject/3181521?stw=2#3181521

Notas de Análisis Real
http://mate.dm.uba.ar/~pdenapo/apuntes-analisis-real/notas_de_real.pdf

Gray Code
https://en.wikipedia.org/wiki/Gray_code

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

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Matemáticas: Enlaces, Novedades y Recursos (152)

Publicado el 27 de Octubre, 2019, 8:04

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Reverse Mode Differentiation is Kind of Like a Lens II
http://www.philipzucker.com/reverse-mode-differentiation-is-kind-of-like-a-lens-ii/

Self-referentiality
https://twitter.com/johncarlosbaez/status/1141376710551601152

Eigenvalues of the Laplace Operator in Certain Manifolds
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC300113/pdf/pnas00178-0006.pdf
https://twitter.com/AnalysisFact/status/1142092456370065408

It"s possible to build a Turing machine within Magic: The Gathering
https://arstechnica.com/science/2019/06/its-possible-to-build-a-turing-machine-within-magic-the-gathering/

Using food to make maths more digestible
https://digitalmedia.sheffield.ac.uk/channel/Using%2Bfood%2Bto%2Bmake%2Bmaths%2Bmore%2Bdigestible/70163431

The Universe Speaks in Numbers – Interview 12: Robbert Dijkgraaf
https://grahamfarmelo.com/the-universe-speaks-in-numbers-interview-12/

The Heidelberg Laureate Forum Foundation presents the HLF Portraits: Karen Keskulla Uhlenbeck
https://www.youtube.com/watch?v=Ye0AYmEMPN4

POCS, Dykstra and DR often succeed in finding points in the intersection of possibly non-convex sets
https://twitter.com/gabrielpeyre/status/1144108136565018624

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (151)

Publicado el 26 de Octubre, 2019, 14:05

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Circunferencias concéntricas y polígonos regulares inscriptos
https://www.gaussianos.com/circunferencias-concentricas-y-poligonos-regulares-inscritos/

In certain situations integration comes down to taking infinitely many derivatives and summing
https://twitter.com/SamuelGWalters/status/1140115031696130049

Euler showed that this was the only solution
https://twitter.com/fermatslibrary/status/1185906266813730817

Mathematicians Begin to Tame Wild "Sunflower" Problem
https://www.quantamagazine.org/mathematicians-begin-to-tame-wild-sunflower-problem-20191021/

La paradoja de Galton
https://twitter.com/pgroisma/status/1186776464160673797

Newton"s minimal resistance problem
https://en.wikipedia.org/wiki/Newton%27s_minimal_resistance_problem

Where Proof, Evidence and Imagination Intersect
https://www.quantamagazine.org/where-proof-evidence-and-imagination-intersect-in-math-20190314/

A 53-Year-Old Network Coloring Conjecture Is Disproved
https://www.quantamagazine.org/mathematician-disproves-hedetniemis-graph-theory-conjecture-20190617/

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

Comentarios (1) | Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (150)

Publicado el 20 de Octubre, 2019, 11:21

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Why the Proof of Fermat"s Last Theorem Doesn"t Need to Be Enhanced
https://www.quantamagazine.org/why-the-proof-of-fermats-last-theorem-doesnt-need-to-be-enhanced-20190603

Whoever told you 13 was unlucky was lying to you..
https://twitter.com/InertialObservr/status/1135619751185534976

Fractional Laplacians on the sphere, the Minakshisundaram zeta function and semigroups
https://arxiv.org/abs/1709.00448

Mathematicians on Twitter
https://truesciphi.org/mat.html

Why the World"s Best Mathematicians Are Hoarding Chalk
https://www.youtube.com/watch?v=PhNUjg9X4g8

Overlooked No More: Alan Turing, Condemned Code Breaker and Computer Visionary
https://www.nytimes.com/2019/06/05/obituaries/alan-turing-overlooked.html

Public interview with Karen Uhlenbeck and Ionica Smeets at Det Norske Teatret
https://www.abelprize.no/artikkel/vis.html?tid=74378

A Mathematician Whose Only Constant Is Change
https://www.quantamagazine.org/amie-wilkinsons-only-constant-is-change-20190613/
Amie Wilkinson searches for exotic examples of the mathematical structures that describe change

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

Comentarios (9) | Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (149)

Publicado el 19 de Octubre, 2019, 15:01

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Undecidability of the Spectral Gap
https://arxiv.org/pdf/1502.04573.pdf

Cables, Trains and Types
http://www.dcs.gla.ac.uk/~simon/publications/CablesTrainsTypes.pdf

Mathematicians discover the perfect way to multiply
https://www.quantamagazine.org/mathematicians-discover-the-perfect-way-to-multiply-20190411

This is not a typo
https://twitter.com/InertialObservr/status/1134896870847799296

Searching for singularities in the Navier–Stokes equations
https://www.nature.com/articles/s42254-019-0068-9

Untouchable numbers
https://twitter.com/d_r_o_n_e/status/1183747108882599938

How does the blue area compare to the yellow area?
https://twitter.com/brilliantorg/status/1183729417492844546

This equality holds for *all* real numbers N,M
https://twitter.com/InertialObservr/status/1135274764174368769

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

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Ciencia: Enlaces y Recursos (57)

Publicado el 15 de Octubre, 2019, 17:08

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How to almost win the physics Nobel
https://physicstoday.scitation.org/do/10.1063/PT.5.9069/full/

Nine Nobel Prize Predictions for 2019
https://www.insidescience.org/news/nine-nobel-prize-predictions-2019

Nobel physicists on the move
https://physicstoday.scitation.org/do/10.1063/PT.6.4.20180925a/full/

Nobel laureates are almost the same as us
https://www.nature.com/articles/s42254-019-0057-z

Por primera vez, detectan agua en la atmósfera de una supertierra "potencialmente habitable"
https://www.clarin.com/sociedad/primera-vez-detectan-agua-atmosfera-exoplaneta-potencialmente-habitable-_0_tfSNj8Pl5.html

Math Reveals the Secrets of Cells" Feedback Circuitry
https://www.quantamagazine.org/math-reveals-the-secrets-of-cells-feedback-circuitry-20190918/

Google claims to have reached quantum supremacy
https://www.ft.com/content/b9bb4e54-dbc1-11e9-8f9b-77216ebe1f17

Google Claims 'Quantum Supremacy' with 53-Qubits
https://www.tomshardware.com/news/google-quantum-supremacy-53-qubits,40452.html

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

Por ajlopez, en: Ciencia

Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (148)

Publicado el 14 de Octubre, 2019, 14:42

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Mathematicians edge closer to solving 'million dollar' math problem
https://www.foxnews.com/science/mathematicians-edge-closer-to-solving-million-dollar-math-problem

Descubierta una nueva propiedad de los números primos gracias a The Big Bang Theory
https://www.investigacionyciencia.es/noticias/descubierta-una-nueva-propiedad-de-los-nmeros-primos-gracias-a-em-the-big-bang-theory-em-17522

Beautiful relation between π and the Fibonacci sequence
https://twitter.com/InertialObservr/status/1133825262955589632

Peano arithmetic and murky abyss
https://twitter.com/johncarlosbaez/status/1134546799396499456

Point estimators
https://twitter.com/gabrielpeyre/status/1182883594131464192

Outline of Algebraic Structures
https://en.wikipedia.org/wiki/Outline_of_algebraic_structures

El teorema de Morley
https://www.gaussianos.com/el-teorema-de-morley/

Spectral Methods in the Presence of Discontinuities
https://arxiv.org/pdf/1712.09952.pdf

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (147)

Publicado el 13 de Octubre, 2019, 11:12

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Comment on D. Bernoulli (1738)
https://www.researchers.one/article/2019-05-1

Fractional Calculus
https://twitter.com/InertialObservr/status/1131975502103629824

G2 smallest exceptional Lie group
https://twitter.com/RAnachro/status/1129102062745280512
https://arxiv.org/abs/1205.2447
https://en.wikipedia.org/wiki/G2_%28mathematics%29
https://en.wikipedia.org/wiki/Contact_geometry
https://en.wikipedia.org/wiki/Real_projective_plane
https://en.wikipedia.org/wiki/Projective_plane
https://en.wikipedia.org/wiki/Cross-cap
http://math.ucr.edu/home/baez/ball/index.html

Fracción continua o cual es la mejor aproximación
https://www.gaussianos.com/fraccion-continua-o-cual-es-la-mejor-aproximacion/

What happens if we drop the axiom of infinity?
https://twitter.com/johncarlosbaez/status/1132730816935497728
https://diagonalargument.com/2019/05/17/non-standard-models-of-arithmetic-8/

Rubik's Cube inventor Erno Rubik breaks down the math behind the iconic toy
https://twitter.com/mashable/status/1133072122916425728

Algebraic Numbers
https://twitter.com/InertialObservr/status/1133046675147067397

A mathematician explores the cat-and-mouse problem
https://boingboing.net/2019/05/28/a-mathematician-explores-the-c.html

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

Comentar | Referencias (1)

Matemáticas: Enlaces, Novedades y Recursos (146)

Publicado el 12 de Octubre, 2019, 10:12

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Awesome Applied Category Theory
https://github.com/statebox/awesome-applied-category-theory

Erróneo rotundamente
https://www.gaussianos.com/erroneo-rotundamente/

The Cantor set
https://twitter.com/wtgowers/status/1170704178752217089

With Category Theory, Mathematics Escapes From Equality
https://www.quantamagazine.org/with-category-theory-mathematics-escapes-from-equality-20191010/

Higher Algebra
https://ncatlab.org/nlab/show/Higher+Algebra
http://www.math.harvard.edu/~lurie/papers/HA.pdf

Alexander Grothendieck (1928–2014)
https://www.nature.com/articles/517272a

A survey of (\infty, 1)-categories
https://arxiv.org/abs/math/0610239

Fun Integral
https://twitter.com/InertialObservr/status/1180594056876789761

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
https://twitter.com/ajlopez

Por ajlopez, en: Matemáticas

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Resoluciones del nuevo mes: Octubre 2019

Publicado el 9 de Octubre, 2019, 11:48

Se acerca el fin de año. Revisión de las resoluciones del mes pasado:

- Escribir sobre Matemáticas [parcial] ver repo
- Escribir sobre Física [pendiente]
- Escribir sobre Historia de las Matemáticas [pendiente]
- Escribir sobre Historia de la Ciencia [pendiente]
- Estudiar blues en guitarra [completo]
- Estudiar dibujo/pintura [completo] evidencia

Resoluciones del nuevo mes:

- Escribir sobre Matemáticas
- Escribir sobre Física
- Escribir sobre Historia de las Matemáticas
- Escribir sobre Historia de la Ciencia
- Estudiar blues en guitarra
- Estudiar dibujo/pintura

Nos leemos!

Angel "Java" Lopez
http://www.ajlopez.com
http://twitter.com/ajlopez

Por ajlopez, en: Desarrollo Personal

Comentar | Referencias (1)