EntityQ5761174· pop 5· linked from 30 articlesHilbert's twentieth problemSign in to saveCan all boundary value problems be solvedConnectionsHilbert's problemsEntityboundary value problemEntityDavid HilbertEntitydifferential equationEntitydigital object identifierEntitypartial differential equationEntitycalculus of variationsEntitycontinuum hypothesisEntityMathematical ReviewsEntitywell-posed problemEntityHilbert's tenth problemEntityHilbert's seventh problemEntityHilbert's third problemEntityDirichlet's principleEntityBulletin of the American Mathematical SocietyEntityHilbert's fifth problemEntityHilbert's seventeenth problemEntityHilbert's sixteenth problemEntityHilbert's twelfth problemEntityHilbert's thirteenth problemEntityCategoriesCalculus of variationsHilbert's problems