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1975-09-01
Some topological extensions of plane geometry
Parole chiave:
Plane geometry, topological extensions, closed subset, (es)##submission.downloads##
Let A be a closed subset of the plane. For a point b in the plane whose distance to A is d(b,A) let S(b,A) = {z : |z-b| d (b,A)}. Let E(A) be the set of points e for which S(b,A) ∩ A has at least two points. Let f(A) be the set of open intervals (a,b) for which there is an e ℇ E(A) and a component of S(e,A)-A with endpoints a and b. The sets E(A) and f(A) are the central tools in this paper.
Come citare
APA
Bell, H. (1975). Some topological extensions of plane geometry. Revista Colombiana de Matemáticas, 9(3-4), 125–153. https://revistas.unal.edu.co/index.php/recolma/article/view/32059
ACM
[1]
Bell, H. 1975. Some topological extensions of plane geometry. Revista Colombiana de Matemáticas. 9, 3-4 (set. 1975), 125–153.
ACS
(1)
Bell, H. Some topological extensions of plane geometry. rev.colomb.mat 1975, 9, 125-153.
ABNT
BELL, H. Some topological extensions of plane geometry. Revista Colombiana de Matemáticas, [S. l.], v. 9, n. 3-4, p. 125–153, 1975. Disponível em: https://revistas.unal.edu.co/index.php/recolma/article/view/32059. Acesso em: 22 gen. 2025.
Chicago
Bell, H. 1975. «Some topological extensions of plane geometry». Revista Colombiana De Matemáticas 9 (3-4):125-53. https://revistas.unal.edu.co/index.php/recolma/article/view/32059.
Harvard
Bell, H. (1975) «Some topological extensions of plane geometry», Revista Colombiana de Matemáticas, 9(3-4), pagg. 125–153. Available at: https://revistas.unal.edu.co/index.php/recolma/article/view/32059 (Consultato: 22 gennaio 2025).
IEEE
[1]
H. Bell, «Some topological extensions of plane geometry», rev.colomb.mat, vol. 9, n. 3-4, pagg. 125–153, set. 1975.
MLA
Bell, H. «Some topological extensions of plane geometry». Revista Colombiana de Matemáticas, vol. 9, n. 3-4, settembre 1975, pagg. 125-53, https://revistas.unal.edu.co/index.php/recolma/article/view/32059.
Turabian
Bell, H. «Some topological extensions of plane geometry». Revista Colombiana de Matemáticas 9, no. 3-4 (settembre 1, 1975): 125–153. Consultato gennaio 22, 2025. https://revistas.unal.edu.co/index.php/recolma/article/view/32059.
Vancouver
1.
Bell H. Some topological extensions of plane geometry. rev.colomb.mat [Internet]. 1 settembre 1975 [citato 22 gennaio 2025];9(3-4):125-53. Available at: https://revistas.unal.edu.co/index.php/recolma/article/view/32059
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Copyright (c) 1975 Revista Colombiana de Matemáticas
TQuesto lavoro è fornito con la licenza Creative Commons Attribuzione 4.0 Internazionale.
