#cf 7x02 #i lu her #kröken #adorablw #ceecky #cumpet #baggort #多賀町 #also uhgh #9 jun 21
Link #topology #geometry #groups #matrices #linear algebra #manifolds #lie groups #mathematics #rotation #rescaling #algebraic varieties #singular #singular matrices #submanifold #entries #projective #projective variety #projective space #kernel #tubular #boundary