Blog.CarlRobitaille.org

Indiscriminate laziness

‘Good general theory does not search for the maximum generality, but for the right generality.’ — Saunders Mac Lane

Posted on 2022/02/15 by Carl Robitaille

'Good general theory does not search for the maximum generality, but for the right generality.' — Saunders Mac Lane
— Analysis Fact (@AnalysisFact) February 9, 2022

I recently learned something mindblowing about the geological history of the Mediterranean Sea, and I just can’t get it out of my head.

Posted on 2022/02/15 by Carl Robitaille

I recently learned something mindblowing about the geological history of the Mediterranean Sea, and I just can't get it out of my head.

Now I'm going to make it *your* problem too. Sorry.

Hang onto your hat. This is wild.

1/ pic.twitter.com/NGwwSsBhGb
— Mike Sowden (@Mikeachim) February 8, 2022

For Sobolev spaces, H = W

Posted on 2022/02/15 by Carl Robitaille

For Sobolev spaces, H = W

For Sobolev spaces, H = W. https://t.co/29ueTQ7r7W
— Differential Eqns (@diff_eq) February 9, 2022

Polynomial matings on the Riemann sphere

Posted on 2022/02/15 by Carl Robitaille

Polynomial matings on the Riemann sphere

Two Dendritic Julia sets “converging” to cover a spherehttps://t.co/rxbhbEhBYR

src: https://t.co/DODibk1byn pic.twitter.com/lRkXWGZQks
— newcommand{femb0t}{ (@__femb0t) February 9, 2022

There’s a £100,000 coin buried under this London building

Posted on 2022/02/15 by Carl Robitaille

An Ancient Geometry Problem Falls to New Mathematical Techniques

Posted on 2022/02/15 by Carl Robitaille

An Ancient Geometry Problem Falls to New Mathematical Techniques : Squaring the circle

I didn't know about the result from Łukasz Grabowski, Máthé and Pikhurko in 2016. Must have been painful for them to come this close… and by close, I mean really really close (set of measure zero) https://t.co/lC8yFRccGO
— La_Maudite 🐧 (@La_Maudite) February 9, 2022

«La COVID longue est un risque pour tout le monde qui attrape la COVID», dit la Dre Anne Bhéreur atteinte de la COVID longue

Posted on 2022/02/15 by Carl Robitaille

«La COVID longue est un risque pour tout le monde qui attrape la COVID», dit la Dre Anne Bhéreur atteinte de la COVID longue

https://t.co/2KyKqa6Ten
— Phodysssey (@phodyssey) February 9, 2022

Gottfried Leibniz (1701): Music

Posted on 2022/02/15 by Carl Robitaille

Gottfried Leibniz (1701) pic.twitter.com/GWXZZQFYXl
— Fermat's Library (@fermatslibrary) February 9, 2022

People Gave up on Flu Pandemic Measures a Century Ago When They Tired of Them – and Paid a Price

Posted on 2022/02/15 by Carl Robitaille

People Gave up on Flu Pandemic Measures a Century Ago When They Tired of Them – and Paid a Price

People Gave up on Flu Pandemic Measures a Century Ago When They Tired of Them – and Paid a Price https://t.co/8vx6TgGj2a
— Dre Joanne Liu (@DreJoanneLiu) February 9, 2022

COVID‑19 stringency index

Posted on 2022/02/15 by Carl Robitaille

COVID‑19 stringency index

Pour ceux qui pensent qu'on a vécu au Québec dans le goulag depuis 2020, je vous invite (même si ça ne changera sans doute rien à vos perceptions) à examiner ce graphique qui évalue l'intensité des mesures au Canada et dans différentes provinces.

Source: https://t.co/OCC1O2LaSV pic.twitter.com/OLFCfT5hYv
— Alain Vadeboncoeur MD (@Vadeboncoeur_Al) February 8, 2022