Topology of complements to real affine space line arrangements

Goo Ishikawa and Motoki Oyama

Journal of Singularities
volume 22 (2020), 373-384

Received: 9 January 2019. Received in revised form: 14 October 2020

DOI: 10.5427/jsing.2020.22v

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Abstract:

It is shown that the diffeomorphism type of the complement to a real space line arrangement in any dimensional affine ambient space is determined only by the number of lines and the data on multiple points.


2010 Mathematical Subject Classification:

Primary 57M25; Secondary 57R45, 57M15, 58K15


Key words and phrases:

trivial handle attachment, height function, space graph complement, open three-manifold


Author(s) information:

Goo Ishikawa
Department of Mathematics
Faculty of Sciences
Hokkaido University
Sapporo 060-0810, Japan
email: ishikawa@math.sci.hokudai.ac.jp

Motoki Oyama
Department of Mathematics
Faculty of Sciences
Hokkaido University
Sapporo 060-0810, Japan
email: oyama.motoki@gmail.com