-
Charles Ehresmann (19
April 1905 – 22
September 1979) was a German-born
French mathematician who
worked in
differential topology and
category theory....
- In mathematics, or specifically, in
differential topology,
Ehresmann's lemma or
Ehresmann's fibration theorem states that if a
smooth mapping f : M → N...
- In
differential geometry, an
Ehresmann connection (after the
French mathematician Charles Ehresmann who
first formalized this concept) is a
version of...
- Andrée
Ehresmann (born Andrée Bastiani; 1935) is a
French mathematician specialising in
category theory.
Ehresmann was a
researcher at CNRS from 1957...
- geometry) is a
French mathematical scientific journal established by
Charles Ehresmann in 1957. It
concentrates on
category theory "and its applications, [e]specially...
-
aspects of
connection theory using differential forms and Lie groups. An
Ehresmann connection is a
connection in a
fibre bundle or a prin****l
bundle by...
- of the
notion of an
Ehresmann connection, and is
sometimes called a prin****l
Ehresmann connection. It
gives rise to (
Ehresmann)
connections on any fiber...
-
important applications in
symplectic geometry. The
concept is due to
Charles Ehresmann and
Heinz Hopf in the 1940s. Let M be a
smooth manifold. An
almost complex...
- Seifert,
Heinz Hopf,
Jacques Feldbau, Whitney,
Norman Steenrod,
Charles Ehresmann, Jean-Pierre Serre, and others.
Fiber bundles became their own object...
-
parallel transport. Yet
another way to
define a
Cartan connection is with an
Ehresmann connection on the
bundle E = Q ×G G/H of the
preceding section. A Cartan...