Nash triviality in families of Nash mappings

Jesús Escribano[1]

  • [1] Universidad Complutense, Facultad de CC Matematcias, Departamento de Sistemas Informáticos y Programací on, 28040 Madrid (Espagne)

Annales de l’institut Fourier (2001)

  • Volume: 51, Issue: 5, page 1209-1228
  • ISSN: 0373-0956

Abstract

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We study triviality of Nash families of proper Nash submersions or, in a more general setting, the triviality of pairs of proper Nash submersions. We work with Nash manifolds and mappings defined over an arbitrary real closed field R . To substitute the integration of vector fields, we study the fibers of such families on points of the real spectrum R p ˜ and we construct models of proper Nash submersions over smaller real closed fields. Finally we obtain results on finiteness of topological types in families of Nash mappings, and also results on effectiveness of the above constructions.

How to cite

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Escribano, Jesús. "Nash triviality in families of Nash mappings." Annales de l’institut Fourier 51.5 (2001): 1209-1228. <http://eudml.org/doc/115945>.

@article{Escribano2001,
abstract = {We study triviality of Nash families of proper Nash submersions or, in a more general setting, the triviality of pairs of proper Nash submersions. We work with Nash manifolds and mappings defined over an arbitrary real closed field $R$. To substitute the integration of vector fields, we study the fibers of such families on points of the real spectrum $\widetilde\{R^p\}$ and we construct models of proper Nash submersions over smaller real closed fields. Finally we obtain results on finiteness of topological types in families of Nash mappings, and also results on effectiveness of the above constructions.},
affiliation = {Universidad Complutense, Facultad de CC Matematcias, Departamento de Sistemas Informáticos y Programací on, 28040 Madrid (Espagne)},
author = {Escribano, Jesús},
journal = {Annales de l’institut Fourier},
keywords = {Nash manifold; Nash mapping; Nash triviality; real spectrum},
language = {eng},
number = {5},
pages = {1209-1228},
publisher = {Association des Annales de l'Institut Fourier},
title = {Nash triviality in families of Nash mappings},
url = {http://eudml.org/doc/115945},
volume = {51},
year = {2001},
}

TY - JOUR
AU - Escribano, Jesús
TI - Nash triviality in families of Nash mappings
JO - Annales de l’institut Fourier
PY - 2001
PB - Association des Annales de l'Institut Fourier
VL - 51
IS - 5
SP - 1209
EP - 1228
AB - We study triviality of Nash families of proper Nash submersions or, in a more general setting, the triviality of pairs of proper Nash submersions. We work with Nash manifolds and mappings defined over an arbitrary real closed field $R$. To substitute the integration of vector fields, we study the fibers of such families on points of the real spectrum $\widetilde{R^p}$ and we construct models of proper Nash submersions over smaller real closed fields. Finally we obtain results on finiteness of topological types in families of Nash mappings, and also results on effectiveness of the above constructions.
LA - eng
KW - Nash manifold; Nash mapping; Nash triviality; real spectrum
UR - http://eudml.org/doc/115945
ER -

References

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  1. J. Bochnak, M. Coste, M-F. Roy, Real Algebraic Geometry, (3) 36 (1998), Springer-Verlag, Berlin - Heidelberg - New York Zbl0912.14023MR1659509
  2. M. Coste, M. Shiota, Nash triviality in families of Nash manifolds, Invent. Math 108 (1992), 349-368 Zbl0801.14017MR1161096
  3. M. Coste, M. Shiota, Thom's first isotopy lemma: a semialgebraic version with uniform bound, Real Analytic and Algebraic Geometry (1995), 83-101, Walter de Gruyter, Berlin Zbl0844.14025
  4. H. Delfs, M. Knebush, Locally Semialgebraic Spaces, 1173 (1985), Springer-Verlag, Berlin Zbl0582.14006MR819737
  5. C.G. Gibson, K. Wirthmüller, A.A. du Plessis, E.J.N. Looijenga, Topological stability of smooth mappings, 552 (1976), Springer-Verlag, Berlin Zbl0377.58006MR436203
  6. R. Hardt, Semi-algebraic local triviality in semi-algebraic mappings, Amer. J. Math. 102 (1980), 291-302 Zbl0465.14012MR564475
  7. R. Ramanakoraisina, Complexité des fonctions de Nash, Commun. Algebra 17 (1989), 1395-1406 Zbl0684.14008MR997146
  8. M. Shiota, Nash Manifolds, 1269 (1987), Springer-Verlag, Berlin Zbl0629.58002MR904479
  9. M. Shiota, Geometry of Subanalytic and Semialgebraic Sets, vol. 150 (1997), Birkhäuser, Boston Zbl0889.32006MR1463945

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