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<table><TR><TD valign="top">[1]</TD> <TD valign="top"> P. Bröcker,   L. Lander,   "Differentiable germs and catastrophes" , Cambridge Univ. Press (1975)</TD></TR><TR><TD valign="top">[2]</TD> <TD valign="top"> W. Guillemin,   "Stable mappings and their singularities" , Springer (1973)</TD></TR><TR><TD valign="top">[3]</TD> <TD valign="top"> T. Poston,   I. Stewart,   "Catastrophe theory and its applications" , Pitman (1978)</TD></TR></table>
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<table><TR><TD valign="top">[1]</TD> <TD valign="top"> P. Bröcker, L. Lander, "Differentiable germs and catastrophes" , Cambridge Univ. Press (1975) {{MR|0494220}} {{ZBL|0302.58006}} </TD></TR><TR><TD valign="top">[2]</TD> <TD valign="top"> W. Guillemin, "Stable mappings and their singularities" , Springer (1973) {{MR|0341518}} {{ZBL|0294.58004}} </TD></TR><TR><TD valign="top">[3]</TD> <TD valign="top"> T. Poston, I. Stewart, "Catastrophe theory and its applications" , Pitman (1978) {{MR|0501079}} {{ZBL|0382.58006}} </TD></TR></table>

Revision as of 16:58, 15 April 2012

A polynomial obtained by the truncation of the (formal) Taylor series of a differentiable function . More precisely, let and be -manifolds. The class of equivalent triples , where is open, , is a mapping of class , is then called a -jet from to . Equivalence is defined thus:

if and if the local images of the mappings , at in relation to a pair of charts have identical derivatives up to the order , inclusive. The space of jets is a -manifold.

References

[1] P. Bröcker, L. Lander, "Differentiable germs and catastrophes" , Cambridge Univ. Press (1975) MR0494220 Zbl 0302.58006
[2] W. Guillemin, "Stable mappings and their singularities" , Springer (1973) MR0341518 Zbl 0294.58004
[3] T. Poston, I. Stewart, "Catastrophe theory and its applications" , Pitman (1978) MR0501079 Zbl 0382.58006
How to Cite This Entry:
Jet. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Jet&oldid=17431
This article was adapted from an original article by M.I. Voitsekhovskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article