38 blogs
about Mathematics.
Page 2 of 2.
John D. Cook Consulting
Consulting in mathematical analysis, from modeling to implementation to interpretation.
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Updated 18 hours ago
Simple error function approximation
I recently ran across the fact that is a remarkably good approximation for −1 ≤ x ≤ 1. Since the integral above defines the error function erf(x), modulo a constant, this says we have a …
Live Free or Dichotomize
By Lucy D’Agostino McGowan, Nick Strayer.
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Updated a month ago
Spooky Seasons Greetings
I thought it’d be fun to celebrate spooky season with a little stats punny plot. We’re going to turn a normal distribution into a paranormal distribution! HA! Ok first let’s get some packages. library(tidyverse) library(tweenr) …
By Lucy D'Agostino McGowan, 359 words
Luca Marx
automata theory, finite state machines, quantum mechanics, category theory, software development.
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Updated 10 months ago
An Introduction to Automata
Why are automata so interesting? Automata are so simple that they fit in many places and situations.
Mathspp Blog
A blog dedicated to mathematics and programming!
By Rodrigo Girão Serrão.
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Updated a week ago
TIL #108 – Date sequences in Polars
Today I learned how to use the Polars function pl.date_range to create date sequences with calendar-aware intervals between dates. Date sequences in Polars Polars provides a function polars.date_range that is able to produce date sequences …
MixedMath: Blog
I study mathematics. My research falls mostly inside number theory, arithmetic geometry, cryptography, and computation.
By David Lowry-Duda.
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Updated a day ago
Paper: The Fibonacci Zeta Function and Continuation
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By David Lowry-Duda, 40 words
M-Phi
A blog dedicated to mathematical philosophy.
By Richard Pettigrew.
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Updated 7 months ago
Discount code for Bertrand's Paradox and the Principle of Indifference by Nicholas Shackel
Nicholas Shackel (Cardiff) has a new book out that might be of interest to readers, and there is a discount code available that Nick has asked me to pass on. Details below.Bertrand’s Paradox and the …
By Richard Pettigrew, 198 words
The n-Category Café
A group blog on math, physics and philosophy.
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Updated 3 days ago
Random Permutations (Part 14)
I want to go back over something from Part 11, but in a more systematic and self-contained way. Namely, I want to prove a wonderful known fact about random permutations, the Cycle Length Lemma, using …
Not awful and boring ideas for teaching statistics
By Jess Hartnett.
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Updated 3 days ago
Modal religions by county in the U.S.
I love my more elaborate examples, but this is a short, sweet, and interesting way to refresh your measures of central tendency lecture when you explain mode.I present you with the modal religions in each …
By Jessica Hartnett, 49 words
Persiflage
Galois Representations and more!
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Updated 4 days ago
It’s not a Lemma, it’s a Proposition!
Congratulations to Ken for winning the the Steele prize. I first met Ken on the Hearst mining circle. It was September of 1997, during the time I was applying for graduate schools. I was visiting …
Peter Cameron's Blog
always busy counting, doubting every figured guess . . .
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Updated 2 days ago
Problem solving
Mathematicians’ perspective on problem solving is not unique to us. The following is from At home in the world by Vietnamese monk Thich Nhat Hanh: “One day when I was a child, I looked into …
By Peter Cameron, 224 words
Pieter Belmans — blog
My mathematical interests are in algebraic geometry, noncommutative algebra and higher structures.
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Updated 3 days ago
New tool: twisted Hodge diamonds for Hilbert schemes of points
The functionality outlined below is implemented in Twisted Hodge numbers for Hilbert schemes of points, which can be used in Sage. There is documentation. If you use it for your research, please cite it using …
Quomodocumque
Math, Madison, food, the Orioles, books, my kids.
By Jordan S. Ellenberg.
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Updated 2 days ago
Dumbass Corners
Resolved: the intersection of Regent, Highland, and Speedway in front of Madison West HS, the worst four-way stop in the city of Madison and possibly anywhere, is to be renamed Dumbass Corners, since it is …
Sharon Lohr — Blog
Sharon Lohr researches and writes about statistics: where they come from, how to interpret them, and how to tell the good statistics from the bad.
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Updated 2 months ago
Reviewing the 2023 National Violent Crime Statistics
It’s time for my annual update on crime statistics, following the September release of 2023 numbers by the Federal Bureau of Investigation (FBI) and the Bureau of Justice Statistics’ National Crime Victimization Survey (NCVS). We …
By Sharon Lohr, 2,818 words
Stats Chat
'Statistical thinking will one day be as necessary for efficient citizenship as the ability to read and write.' - H.G. Wells.
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Updated 2 weeks ago
United Rugby Championship Predictions for Week 8
Team Ratings for Week 8 The basic method is described on my Department home page. Here are the team ratings prior to this week’s games, along with the ratings at the start of the season. …
By David Scott, 376 words
Tanya Khovanova's Math Blog
Mathematics, applications of mathematics to life in general, and my life as a mathematician.
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Updated a month ago
Red, Yellow, and Green Hats
A new hat puzzle from Gribalko, reminding me of traffic lights. Puzzle. You and six of your mathematician friends each have a hat placed on your head. Each of you can see the hats of …
What's new
Updates on my research and expository papers, discussion of open problems, and other maths-related topics.
By Terence Tao.
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Updated a day ago
On the distribution of eigenvalues of GUE and its minors at fixed index
I’ve just uploaded to the arXiv the paper “On the distribution of eigenvalues of GUE and its minors at fixed index“. This is a somewhat technical paper establishing some estimates regarding one of the most …
By Terence Tao, 1,537 words
Xena
Mathematicians learning Lean by doing.
By Kevin Buzzard.
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Updated a week ago
Fermat’s Last Theorem — how it’s going
So I’m two months into trying to teach a proof of Fermat’s Last Theorem (FLT) to a computer. Most of “how it’s going” is quite tedious and technical to explain: to cut a long story …
By xenaproject, 1,531 words
Xi'an's Og
an attempt at bloggin, nothing more...
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Updated 12 hours ago