- homotopically ordinary point
- мат. гомотопически обыкновенная точка
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Magnetic monopole — It is impossible to make magnetic monopoles from a bar magnet. If a bar magnet is cut in half, it is not the case that one half has the north pole and the other half has the south pole. Inst … Wikipedia