Earlier this month the Mathematics Institute at Uppsala University hosted a conference called Categorification in Algebra and Topology, clearly a theme close to our collective heart. As yet there are ...

It’s no secret that many of us are not too fond of mathematics and geometry, and that it is often too complex. But even so, it can be pretty mind-blowing to look back in history and discover the ...

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(1) CHRISTIAN VON STAUDT'S “Beiträge zur Geometrie der Lage” was published so long ago as 1857; about the year 1871 Felix Klein wrote a series of papers emphasising the fact that it is possible to ...

Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse, right ...

Conversely any point with rational coordinates on the unit circle can be scaled up to get a Pythagorean triple. The basic idea is simple, but there’s a bit of suspense involved, and thus a bit to be ...

ProjectiveGeometry23 is a collection of numpy-based utilities for projective geometry of real two- and three-space, including homogeneous coordinates of point, lines and planes, Plücker coordinates ...

In the realm of narcissistic abuse, there's a covert and lesser-explored form known as "projective identification." It's a psychological maneuver, a subtle, yet powerful tool often used by individuals ...

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