decompwlj, to mathematics
@decompwlj@mathstodon.xyz avatar
micchiato, to Israel
@micchiato@mastodon.social avatar

“Since the beginning of #Israel’s war on #Gaza, academics in fields including #politics, #sociology, Japanese #literature, public #health, Latin American and Caribbean studies, Middle East and African studies, #mathematics, #education, and more have been fired, suspended, or removed from the classroom for pro-#Palestine, anti-Israel speech.”

https://theintercept.com/2024/05/16/university-college-professors-israel-palestine-firing/

MathOutLoud, to math
@MathOutLoud@mathstodon.xyz avatar

A different kind of maximization than typically seen in introductory Calculus. See my thought process and solution here:

https://youtu.be/c6JwnK29eJY

#math #mathematics

OscarCunningham, to math
@OscarCunningham@mathstodon.xyz avatar

I have a question about the aperiodic spectre tile (or the hat/turtle).

I know that the proof of aperiodicity works by showing that the tiles must fit together in a hierarchical structure that eventually repeats itself at a larger scale. But the larger units aren't literally scaled copies of the spectre. I also know that there is some freedom as to how you draw the edges of the spectre.

Is there a way you can draw the edges that allows you to literally use spectres to cover a larger copy of themselves? If so, is this way of doing it unique?

#Math #Maths #Mathematics #Spectre #Tiling #Aperiodic #AperiodicMonotile

diffgeom, to mathematics
@diffgeom@mathstodon.xyz avatar
v_i_o_l_a, to mathematics German
@v_i_o_l_a@openbiblio.social avatar

"Every friday, a truck pulls up at the mathematics department to collect all the used numbers. they will be cleaned, sorted and sold to manufacturers of calendars, rulers and clocks." 🙃 https://myjetpack.tumblr.com/post/750261318748143616/my-latest-cartoon-for-new-scientist

paysmaths, to mathematics French
@paysmaths@mathstodon.xyz avatar

"Mathematics must subdue the flights of our reason; they are the staff of the blind; no one can take a step without them; and to them and experience is due all that is certain in physics." – Voltaire (1694-1778)

Le_bottin_des_jeux_linux, to linuxgaming
@Le_bottin_des_jeux_linux@floss.social avatar
gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

Why are algorithms called algorithms? A brief history of the Persian polymath you’ve likely never heard of.

Over 1,000 years before the internet and smartphone apps, Persian scientist and polymath Muhammad ibn Mūsā al-Khwārizmī invented the concept of algorithms.

By Debbie Passey. via @ConversationUK

https://theconversation.com/why-are-algorithms-called-algorithms-a-brief-history-of-the-persian-polymath-youve-likely-never-heard-of-229286

RossGayler, to mathematics
@RossGayler@aus.social avatar

Maths/CogSci/MathPsych lazyweb: Are there any algebras in which you have subtraction but don't have negative values? Pointers appreciated. I am hoping that the abstract maths might shed some light on a problem in cognitive modelling.

The context is that I am interested in formal models of cognitive representations and I want to represent things (e.g. cats), don't believe that we should be able to represent negated things (i.e. I don't think it should be able to represent anti-cats), but it makes sense to subtract representations (e.g. remove the representation of a cat from the representation of a cat and a dog, leaving only the representation of the dog).

This might also be related to non-negative factorisation: https://en.wikipedia.org/wiki/Non-negative_matrix_factorization

@cogsci

paysmaths, to mathematics French
@paysmaths@mathstodon.xyz avatar

"Numbers are free creations of the human mind, they serve as a means of apprehending more easily and more sharply the diversity of things." – Richard Dedekind (1831-1916)

Le_bottin_des_jeux_linux, to linuxgaming
@Le_bottin_des_jeux_linux@floss.social avatar
donwatkins, to mathematics
@donwatkins@fosstodon.org avatar

Teens come up with trigonometry proof for Pythagorean Theorem, a problem that stumped math world for centuries - CBS News https://www.cbsnews.com/news/teens-come-up-with-trigonometry-proof-for-pythagorean-theorem-60-minutes-transcript/

gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

American mathematician Anna Johnson Pell Wheeler was born in 1883.

She received her Ph.D. in 1909 with a dissertation on "Biorthogonal Systems of Functions with Applications to the Theory of Integral Equations," a topic in functional analysis that was innovative at the time. Wheeler was instrumental in bringing German mathematician Emmy Noether to Bryn Mawr in 1933, after the latter's expulsion from the University of Göttingen by the Nazi government.

shadeow, to mathematics French
@shadeow@piaille.fr avatar

Alors la les matheux j'ai besoin de vous. Je suis tombé la dessus et je suis bouche bée 👀

JeremyMallin, to StarTrek
@JeremyMallin@autistics.life avatar

Weren't the second, third, fifth, seventh, and eleventh directives all prime directives too?

gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

Italian mathematician and physicist Vito Volterra was born #OTD in 1860.

One of Volterra's most famous contributions came in the field of mathematical biology with his work on population dynamics. He formulated the The Lotka–Volterra equations which are frequently used to describe the dynamics of biological systems in which two species interact, one as a predator and the other as prey.

Books by Vito Volterra at PG:
https://www.gutenberg.org/ebooks/author/34164

#books #science #mathematics

Guinnessy, to AncientHistory
@Guinnessy@mastodon.world avatar

A roman object has been found in Lincoln and yet no one knows what exactly it was used for.

https://www.bbc.com/news/uk-england-lincolnshire-68908558

gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

French mathematician and physicist Henri Poincaré was born in 1854.

He is considered one of the founders of the field of topology. He was among the first to present the Lorentz transformations, part of the groundwork for Albert Einstein’s theory of special relativity. Poincaré also studied the behavior of planetary orbits and contributed to the three-body problem in celestial mechanics, exploring the stability and motion of celestial bodies.

Couverture du livre "La science et l’hypothèse" de Henri Poincaré Henri Poincaré, Ernest Flammarion éditeur .

seav, to til
@seav@en.osm.town avatar

about the , which combines two nerdy things that I love: and ! 😍

https://www.mandelmap.com

synkr3tyk, to music
@synkr3tyk@mastodon.social avatar

Okay, it's time. Time to change servers. Time to have local & federated timelines that don't make my eyes bleed. Time to support an indie effort.

Does anyone want to share about their server? My main interests are - I play , , , and software, with varying degrees of skill - and - I'm attempting to get into grad school for to facilitate a career change. I'm also liberal af, if that matters one way or the other on your server.

paysmaths, to mathematics French
@paysmaths@mathstodon.xyz avatar

"Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true." – Bertrand Russell (1872–1970)

JeremyMallin, to mathematics
@JeremyMallin@autistics.life avatar

Are imaginary numbers even and odd or do those names only apply to real integers?

gutenberg_org, (edited ) to books
@gutenberg_org@mastodon.social avatar

German mathematician and mathematics educator Felix Klein was born in 1849.

He is best known for his substantial contributions to group theory, complex analysis, non-Euclidean geometry, and for connecting mathematics with other disciplines, notably physics. His notable achievements are the Erlangen Program, Complex Analysis and Algebraic Geometry, Klein Bottle, and Klein's Quartic Curve.

Books by Felix Klein at PG:
https://www.gutenberg.org/ebooks/author/9227

gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

French mathematician and physicist Siméon-Denis Poisson died in 1840.

He is known for his significant contributions to mathematical physics, particularly in the fields of mechanics, probability theory, and electricity. He made crucial advancements in understanding the behavior of fluids & the mathematical treatment of physical phenomena. Some of his most notable contributions include: Poisson distribution, potential theory, fluid mechanics, electromagnetism.

Mémoire sur le calcul numerique des integrales définies. Par M. Poisson... - [S.l.] : [s.n.], [1826]. - 34 p. ; 4º. Image shows the first page of an old mathematical paper titled "MÉMOIRE Sur le calcul numérique des Intégrales définies" by M. Poisson, dated 11th December 1826, addressed to the Academy of Sciences. The text is in French and discusses numerical calculation of definite integrals and its various applications in geometry and physics.

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