The phenomenon that, for certain partial differential equations, the space of (holonomic) solutions is homotopy-equivalent to the space of non-holonomic solutions, which can be dealt with homotopy-theoretically
the phenomenon that, for certain partial differential equations, the space of (holonomic) solutions is homotopy-equivalent to the space of non-holonomic solutions, which can be dealt with homotopy-theoretically (en)
fenomeno laŭ kiu la spaco de solvoj de certaj partaj diferencialaj ekvacioj povas esti kalkulita per homotopiteorio (eo)