Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Martin Skrodzki @msmathcomputer@mathstodon.xyz

2/19/2026, 10:14:23 AM

Public

3rd day of our #illustratingMath conference at the @inhenripoincareIHP - a short day with 3 talks. Samantha Fairchild, Mélanie Theilière, and Martin Traizet speak about their respective views on surfaces: how to compare them, how to embed them, and how to visualize them, of course.

A person, Samantha Fairchild, stands in a lecture hall pointing toward a large blackboard. They have blonde hair tied back and are wearing a black top with a patterned skirt. The blackboard contains hand-drawn diagrams of a torus and a square, along with the equation for an elliptic curve: $y^2 = x(x+1)(x-1)$. Above them, a projector screen displays a slide titled "If you give a mathematician a surface..." featuring a drawing of a torus and a purple gift box icon.

$A person, Mélanie Theilière, is captured mid-presentation in a lecture hall. They have long dark hair and are wearing a striped grey and white zip-up hoodie over a black shirt and jeans. They are gesturing with their hands while speaking. The projector screen behind them displays a $3 \times 3$ grid of complex, highly textured 3D mathematical visualizations of torus-like shapes in various shades of white and blue.$ $A person, Martin Traizet, stands in front of a blackboard covered in mathematical derivations. They have grey hair and are wearing a black graphic t-shirt and grey cargo pants. The blackboard includes formulas for the Weierstrass representation of minimal surfaces, such as $\Phi_1 = (1-g^2)\eta$, $\Phi_2 = i(1+g^2)\eta$, and $\Phi_3 = 2g\eta$. The projector screen above displays a slide titled "Why is it hard to find a minimal surface with no symmetries?" with diagrams of a catenoid, a helicoid, and a Costa surface.$

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