Publicado

1985-01-01

Separably real closed local rings

Palabras clave:

Variable reals, topos theory, polynomial, interval (es)

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Autores/as

  • André Joyal Université de Montréal
  • Gonzalo E. Reyes Université de Montréal

It is well known that several types of "variable reals" arising in topos theory (Dedekind reals,  Cauchy reals, smooth reals, etc.) are not real closed,  in the sense that a polynomial (with "variable real" coefficients) may sign in an interval without having a zero in that interval.

Cómo citar

APA

Joyal, A. y Reyes, G. E. (1985). Separably real closed local rings. Revista Colombiana de Matemáticas, 19(1-2), 107–115. https://revistas.unal.edu.co/index.php/recolma/article/view/32588

ACM

[1]
Joyal, A. y Reyes, G.E. 1985. Separably real closed local rings. Revista Colombiana de Matemáticas. 19, 1-2 (ene. 1985), 107–115.

ACS

(1)
Joyal, A.; Reyes, G. E. Separably real closed local rings. rev.colomb.mat 1985, 19, 107-115.

ABNT

JOYAL, A.; REYES, G. E. Separably real closed local rings. Revista Colombiana de Matemáticas, [S. l.], v. 19, n. 1-2, p. 107–115, 1985. Disponível em: https://revistas.unal.edu.co/index.php/recolma/article/view/32588. Acesso em: 22 ene. 2025.

Chicago

Joyal, André, y Gonzalo E. Reyes. 1985. «Separably real closed local rings». Revista Colombiana De Matemáticas 19 (1-2):107-15. https://revistas.unal.edu.co/index.php/recolma/article/view/32588.

Harvard

Joyal, A. y Reyes, G. E. (1985) «Separably real closed local rings», Revista Colombiana de Matemáticas, 19(1-2), pp. 107–115. Disponible en: https://revistas.unal.edu.co/index.php/recolma/article/view/32588 (Accedido: 22 enero 2025).

IEEE

[1]
A. Joyal y G. E. Reyes, «Separably real closed local rings», rev.colomb.mat, vol. 19, n.º 1-2, pp. 107–115, ene. 1985.

MLA

Joyal, A., y G. E. Reyes. «Separably real closed local rings». Revista Colombiana de Matemáticas, vol. 19, n.º 1-2, enero de 1985, pp. 107-15, https://revistas.unal.edu.co/index.php/recolma/article/view/32588.

Turabian

Joyal, André, y Gonzalo E. Reyes. «Separably real closed local rings». Revista Colombiana de Matemáticas 19, no. 1-2 (enero 1, 1985): 107–115. Accedido enero 22, 2025. https://revistas.unal.edu.co/index.php/recolma/article/view/32588.

Vancouver

1.
Joyal A, Reyes GE. Separably real closed local rings. rev.colomb.mat [Internet]. 1 de enero de 1985 [citado 22 de enero de 2025];19(1-2):107-15. Disponible en: https://revistas.unal.edu.co/index.php/recolma/article/view/32588

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