TY - JOUR AU - Montesinos Amilibia, José María PY - 2001 SN - 1578-7303 UR - https://hdl.handle.net/20.500.14352/58648 T2 - Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A: Matemáticas AB - It is announced that the Freudenthal compactification of an open, connected, oriented 3-manifold is a 3-fold branched covering of S 3 . The branching set is as nice as can be expected. Some applications are given. LA - eng M2 - 279 PB - Real Academia Ciencias Exactas Físicas Y Naturales KW - Freudenthal compactification KW - Open 3-manifolds KW - branched coverings KW - wild knot TI - Open 3-manifolds as 3-fold branched coverings. TY - journal article VL - 95 ER -