It is well-known that every 3-manifold $M^3$ may be represented by a framed link (L, c), which indicates the Dehn-surgery from $S^3$ to $M^3 = M^3(L, c)$; moreover, $M^3$ is the boundary of a PL 4-manifold $M^4 = M^4(L, c)$, which is obtained from $D^4$ by adding 2-handles along the framed link (L, c). In this paper we study the relationships between the above representations and the representation theory of general PL-manifolds by edge-coloured graphs: in particular, we describe how to construct a 5-coloured graph representing $M^4 = M^4(L, c)$, directly from a planar diagram of (L, c). As a consequence, relations between the combinatorial properties of the link L and both the Heegaard genus of $M^3 = M^3(L, c)$ and the regular genus of $M^4 = M^4(L, c)$ are obtained.
From framed links to crystallizations of bounded 4-manifolds / Casali, Maria Rita. - In: JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS. - ISSN 0218-2165. - STAMPA. - 9(2000), pp. 443-458.
Data di pubblicazione: | 2000 |
Titolo: | From framed links to crystallizations of bounded 4-manifolds |
Autore/i: | Casali, Maria Rita |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1142/S0218216500000220 |
Rivista: | |
Volume: | 9 |
Pagina iniziale: | 443 |
Pagina finale: | 458 |
Codice identificativo ISI: | WOS:000087238000002 |
Codice identificativo Scopus: | 2-s2.0-0034421625 |
Citazione: | From framed links to crystallizations of bounded 4-manifolds / Casali, Maria Rita. - In: JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS. - ISSN 0218-2165. - STAMPA. - 9(2000), pp. 443-458. |
Tipologia | Articolo su rivista |
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