RT journal article
T1 Ext groups of Janet systems
A1 Moreno Frías, María Ángeles
A2 Matemáticas
K1 D-modules
K1 completely integrable system
K1 Differential Operators
AB In this paper we develop the basic ideas of Janet by using the theory of D-modules. For theso-called completely integrable systems (Janet Systems), we show that the higher Ext groupsare null
PB Elsevier
SN 0022-4049
YR 2003
FD 2003
LK http://hdl.handle.net/10498/35349
UL http://hdl.handle.net/10498/35349
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 10-may-2026