Ciro Santilli @cirosantilli 37

Group of rotations of a rigid body.

Like orthogonal group but without reflections. So it is a "special case" of the orthogonal group.

This is a subgroup of both the orthogonal group and the special linear group.

Largest programs ever written:

DokuWiki about physics, mostly/fully written by Jakob Schwichtenberg and therefore focusing on particle physics, although registration might be open to all.

Most commonly, boundary conditions such as the Dirichlet boundary condition are taken to be fixed values in time.

But it also makes sense to think about cases where those values vary in time.

Some bibliography:

users.physics.ox.ac.uk/~lvovsky/B3/ contain assorted PDFs from between 2015 and 2019

Syllabus reads:

Professor in 2000s seems to beBut as of 2023 marked emeritus, so who took over?

Ewart is actually religious:This dude is pure trouble for Oxford!

Undated materials Ewart:

This model can work well when there is a set of commonly used libraries that some developers often use together, but such that there isn't enough maintenance work for each one individually.

So what people do is to create a group that maintains all those projects, to try and get enough money to survive from the contributions done primarily for each one individually.

Examples: