26 citations · 158 across the 39 of their papers we have counts for
Showing 2021Show all
3 papers · 1 filter
math.GM2021
Differential Correspondences and Control Theory
J. -F. Pommaret
When a differential field having commuting derivations is given together with two finitely generated differential extensions and of , an important problem in dif…
math.DG2021★ 2 cited
How Many Structure Constants Do Exist in Riemannian Geometry
J. -F. Pommaret
After reading such a question, any mathematician will say that, according to a well known result of L.P. Eisenhart found in 1926, the answer is " One " of course, namely the only c…
math.GM2021★ 12 cited
Minimum Parametrization of the Cauchy Stress Operator
J. -F. Pommaret
When is a linear differential operator, a "direct problem " is to find the generating compatibility conditions (CC) in the form of an operator ${\cal{D}}…