In [Combinatorics of triangulations of 3-manifolds, Trans. Amer. Math. Soc. 337 (2) (1993), 891-906], Luo and Stong introduced the notion of "average edge order" $\mu_0(K) = \frac {3 F_0(K)}{E_0(K),$ K being a triangulation of a closed 3-manifold M with $E_0(K)$ edges and $F_0(K)$ triangles. The present paper extends the above notion to the "average (n-2)-simplex order" of a coloured triangulation K of a compact PL n-manifold $M^n$ with $\alpha_i(K)$ i-simplices: $\mu(K) = \frac {n \alpha_{n-1}(K)}{\alpha_{n-2}(K)$.Main properties of $\mu(K)$ and its relations with the topology of $M^n$, both in the closed and bounded case, are investigated; the obtained results show the existence of strong analogies with the 3-dimensional simplicial case (see the quoted paper by Luo and Stong, together with [The average edge order of triangulations of 3-manifolds, Osaka J. Math. 33(1986), 761-773] by Tamura).
Average order of coloured triangulations: The general case / Casali, Maria Rita. - In: OSAKA JOURNAL OF MATHEMATICS. - ISSN 0030-6126. - STAMPA. - 35:(1998), pp. 249-262. [10.18910/8702]
Data di pubblicazione: | 1998 | |
Titolo: | Average order of coloured triangulations: The general case | |
Autore/i: | Casali, Maria Rita | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.18910/8702 | |
Rivista: | ||
Volume: | 35 | |
Pagina iniziale: | 249 | |
Pagina finale: | 262 | |
Codice identificativo ISI: | WOS:000073053600011 | |
Codice identificativo Scopus: | 2-s2.0-0040579393 | |
Citazione: | Average order of coloured triangulations: The general case / Casali, Maria Rita. - In: OSAKA JOURNAL OF MATHEMATICS. - ISSN 0030-6126. - STAMPA. - 35:(1998), pp. 249-262. [10.18910/8702] | |
Tipologia | Articolo su rivista |
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