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 4 weeks ago
Quaternions and spherical trigonometry
Hamilton’s quaternion number system is a non-commutative extension of the complex numbers, consisting of numbers of the form where are real numbers, and are anti-commuting square roots of with , , . While they are …
By Terence Tao, 1,527 words
Pieter Belmans — blog
My mathematical interests are in algebraic geometry, noncommutative algebra and higher structures.
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Updated 3 days ago
A new version of bibgetter
More than 8 years ago I created bibgetter, a tool that fitted perfectly in my workflow of dealing with bibliographies in LaTeX, which is a combination of citing arXiv preprints, papers with MathSciNet entries, and …
Georgia Before People
I’m writing this blog because I’m fascinated with what the ecology of southeastern North America was before people colonized the region and ruined it.
By Mark Gelbart.
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Updated a day ago
Everglades Mink (Neogale vison evergladensis) Scat Attracts Other Species
The American mink is not endangered and lives all across North America in wetlands with the exception of the American Southwest, but the subspecies that occurs in the Everglades is considered threatened. Mink are weasels …
By markgelbart, 576 words
First Known When Lost
By Stephen Pentz.
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Updated 3 weeks ago
Autumn Into Winter
As I have mentioned here in the past, each day I read a poem in the morning and a poem in the evening. This was today's morning poem: Autumn EndsLost in vacant wonder at how …
By Stephen Pentz, 849 words
The Panda’s Thumb
By Matt Young.
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Updated a week ago
Caligo teucer
Photograph by James Kocher. Photography Contest, Honorable Mention. Caligo teucer – owl butterfly, Bayer Insectarium, St. Louis Zoo, January, 2023. Mr. Kocher writes, "An example of mimicry coloration. Butterfly has recently emerged from a chrysalis …
The Irish Economy
Commentary, information, and intelligent discourse about the Irish economy.
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Updated 2 months ago
Irish Economic Association Annual Conference 2025: Call for Papers
The 38th Annual Irish Economic Association Conference is being organized by the Department of Economics at Queen’s University Belfast and will be held at the Hilton Belfast, 4 Lanyon Place, Belfast (BT1 3LP), from Thursday, …
By The Irish Economy, 446 words
The Enlightened Economist
Economics and business books.
By Diane Coyle.
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Updated 3 days ago
The tech coup
It’s some months since I read Marietje Schaake’s The Tech Coup, as she delivered the ST Lee Poicy Lecture here in Cambridge last November 11th, right after the US presidential election. Just a short time …
By Diane Coyle, 395 words
Atomic Junk Shop
Celebrating the Unpopular Arts.
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Updated 7 hours ago
The Greg Hatcher Legacy Files #210: ‘Friday by Gaslight’
Shameless self-promotion by Hatcher! The post The Greg Hatcher Legacy Files #210: ‘Friday by Gaslight’ appeared first on Atomic Junk Shop.
By Greg Hatcher, 30 words
The Picky Glutton
London restaurant reviews to help you avoid needless gout & wasted money.
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Updated 2 weeks ago
Uzbek Corner review: a taste of Uzbekistan in Bayswater
The ‘exotic’ yet homely Central Asian restaurant hidden in Queensway Market Although it’s not quite as common as it used to be, there’s a hoary old cliche found on restaurant menus across the land: ‘home …
By pickyglutton, 1,172 words
Spelling Mistakes Cost Lives /// Darren Cullen
Satirical art and illustrations by Darren Cullen.
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Updated 4 days ago
COCA-COLA
First new work of the year in support of the ongoing BDS boycott of Coca Cola products, and in recognition also of Coca-Cola's murderous repression of union organisers in South America. In 2017, Coca Cola …
By Darren Cullen, 309 words
Helen McCookerybook
Papa Was A Rolling Pin.
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Updated 5 hours ago
Review in 'Godisinthetvzine' by Neil Laurenson
Thanks to Neil for this review. Now I'm officially philosoph-twee!https://www.godisinthetvzine.co.uk/2025/01/17/helen-mccookerybook-showtunes-from-the-shadows-tiny-global-productions/
By Helen McCookerybook, 16 words
Worlds in Miniature
A hobby photo blog.
By Chris M.
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Updated 8 months ago
2024-05-13 13:36
Don’t get me started on the fact that if you do login, you’re taken to the store homepage instead of the specific page you were trying to visit in the first place …
Old Structures Engineering – Blog
Engineering and Preservation.
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Updated 11 hours ago
A Point On A Line
The New York County Courthouse, on Chambers Street, in 1870: The building is much better known as the Tweed Courthouse, but I’ll assume for a moment that people reading this don’t know why. The photo …
By Don Friedman, 567 words
Is That in the Bible?
Scripture and History Critically Examined.
By Paul Davidson.
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Updated 4 months ago
Melchizedek: How a Literary Phantom Became an Eternal Priest and Savior of Israel
Note: This article is based on updated research and is intended to replace my old article on Melchizedek, written several years ago. It has also been produced as a documentary at the MythVision YouTube channel. …
San Francisco Bay Area Independent Media Center
A non-commercial, democratic collective serving as the local organizing unit of the global IMC network.
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Updated 21 hours ago