3 ms·
In differential geometry there's the Killing field: https://en.wikipedia.org/wiki/Killing_vector_field https://en.wikipedia.org/wiki/Killing_vector_field
by madcaptenor 6y ago
In differential geometry there's the Killing field: https://en.wikipedia.org/wiki/Killing_vector_field https://en.wikipedia.org/wiki/Killing_vector_field