Two types of logistic waves

Two types of logistic waves
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Mathematician Helen Abbott Merrill was born 162 years ago tomorrow. For nearly four decades, she was a tentpole presence at Wellesley college, where she served as dean of the math dep and wrote two college textbooks that were in use throughout the 1910s and 1920s.

#WomenInSTEM #MathSky #BookSky 🧮

#mathsky

Two types of square root waves

Two types of square root waves
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Two types of circles, cosine waves, and square root waves

Two types of circles, cosine waves, and square root waves
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Ellipses, double cosine waves, and square root waves

Ellipses, double cosine waves, and square root waves
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Problem for 29th March, 2026 from the
@dailyepsilon.bsky.social
calendar

#Math
#MathSky
#MathToday
#Mathematics

Time for a Math Educator Meet Up! If you live in the LA area and are looking for some like-minded math educators, join us!

luma.com/54rot163
#mathsky #edusky #iteachmath

I recall seeing a statistic that nationwide, about 1% of baccalaureate students are math majors. Does anyone have a cite to share?

#mathsky

Lines, cosine waves, and logistic waves

Lines, cosine waves, and logistic waves
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The most challenging part of putting this problem in video or book form was to think up a scenario where subtraction is not allowed. I started out with measuring water with jugs, but subtraction is so easy there it’s kind of ridiculous that we’d artificially disallow it. #MathSky #StorySaturday

Alexander Grothendieck (1928 - 2014) in 1970

Today is Alexander Grothendieck's birthday!

He's probably the most important mathematician of the 20th century, but sadly enough almost completely unknown to the general public

#math #maths #mathematics #mathsky #scisky #sciencesky #borntoday

Secant waves and square root waves

Secant waves and square root waves
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Journals /
Education Sciences /
Special Issues /
Justice-Centered Mathematics Teaching
🔗, www.mdpi.com/journal/educ...

Special Issue Editors:
Dr. Kari Kokka
Dr. Nathan Alexander

Scroll down ⬇️ at the link for 8 (❗) open access articles

#iTeachMath ♾️ #MathSky 🧮

Grothendieck, Il Genio Che Creava La Matematica Grothendieck insegna SGA all'IHES Ci sono esseri umani la cui grandezza è tale che non possono essere dimenticati anche contro il loro ...

4/4
Both revolutionized scientific thinking, one through a unifying vision of mathematics and the other of physics.

According to mathematician Luc Illusie, #Grothendieck was a master of generalization.

My article➡️ www.lanostra-matematica.org/2014/12/grot...

🧪 #mathsky #histsci #histmaths

Tôhoku in nLab

3/4
#Grothendieck revolutionized homological algebra in his famous Tôhoku paper, published in 1957 in Tôhoku Mathematical Journal.

➡️ ncatlab.org/nlab/show/T%...

Simply put, Grothendieck's role in #mathematics is comparable to that played by Einstein in physics.

🧪 #mathsky #histsci #histmaths

Alexander Grothendieck - Biography Alexander Grothendieck was a German mathematician and Fields medal winner. He made important contributions in topology, algebra and logic.

2/4
Grothendieck is believed to be one of the sharpest minds of the 20th century (and, in my humble opinion, of all time).

In 1966, he was awarded the Fields Medal for advances in algebraic geometry, homological algebra, and K-theory.

➡️ mathshistory.st-andrews.ac.uk/Biographies/...

🧪 #mathsky

The photo portrays Alexander Grothendieck during an algebraic geometry seminar in Bure-sur-Yvette during the 1960s. Alexander, standing and seen almost from behind, speaks to listeners in a room lit by daylight. Photograph: IHES

1/4
28 March 1928: Alexander Grothendieck was born.

“It is in this gesture of going beyond, to be something in oneself rather than the pawn of a consensus, [...] – it is in this solitary act that one finds true creativity.”

➡️ www.fermentmagazine.org/rands/promen...

🧪 #histsci #histmaths #mathsky

Machine learning discovers new champion codes - npj Artificial Intelligence npj Artificial Intelligence - Machine learning discovers new champion codes

My paper "Machine learning discovers new champion codes", joint with Yang-Hui He, Q Le, and Dmitrii Riabchenko, was published in Nature's Artificial Intelligence.
www.nature.com/articles/s44...
#MathSky #MachineLearning #CodingTheory

This is an unashamed riff off one of @dandersod's Desmos challenges at dailydesmos.com.
I'm determined not to let my complete ignorance of Desmos interfere with my fun.

#p5.js #GenArt #MathSky

Ellipses, cosine waves, and exponential waves

Ellipses, cosine waves, and exponential waves
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Enter Sierpinski 's Forest

Full Version: youtu.be/E0V59QxL7II

#mathsky

Problem for 28th March, 2026 from the
@dailyepsilon.bsky.social
calendar

#Math
#MathSky
#MathToday
#Mathematics

Second year wrap up Having just finished a short course on partial differential equations another chapter of my home studies has come to an end, and I’m pretty confident I’ve done what I set out to do and …

Just finished my second year of undergraduate maths at the university of my house, and did a little write-up of my experiences
ergodicbees.wordpress.com/2026/03/28/s...
#mathematics #math #mathsky #maths

Cube net folding.

There is research on fabricating micropolyhedra using lithographic techniques via self-assembly / self-folding of nets that fold to, e.g., a cube as illustrated. Note the tiny size: 0.2mm. The goal is to minimize mis-foldings.
doi:10.1371/journal.pone.0004451 cs.smith.edu/~jorourke/Ma...
#MathSky 🧪

Chuyu Zhou (EPFL) speaking on "On wall crossing for K-stability with multiple boundaries" at our #AlgebraicGeometry #Math seminar back in May 2023. #MathSky

Lectures on Differential Geometry I

A one-semester introduction to differential manifolds—'Lectures on Differential Geometry I' covers the fundamentals of differentiable manifolds, explores Lie groups and homogeneous spaces, and concludes with rigorous proofs of Stokes’ Theorem and the de Rham Theorem. bit.ly/4sCPzDI #MathSky #BookSky

Pollard Lines Up a Future in Mathematical Sciences Teresa Pollard's experiences in Carnegie Mellon University’s Summer Undergraduate Applied Mathematics encouraged her to pursue graduate school and earned her a Achievement Rewards for College Students...

CMU’s Summer Undergraduate Applied Mathematics Institute helped Teresa Pollard solidify a passion for mathematical research. The experience led her to pursue a Ph.D. in CMU’s Department of Mathematical Sciences. #MathSky #WomenInSTEM
www.cmu.edu/mcs/news-eve...

f. If we only use 5-dollar, 6-dollar, and 7-dollar coins, what’s the biggest whole number dollar amount we can’t make in exact change?
#math #maths #ProblemSolving #iteachmath #mathsky

Un patrón octogonal te ayuda a sobrellevar las vacaciones.
#mathart #geogebra #mathsky