Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-07-29
Physica A293 (2001) 592-604
Astronomy and Astrophysics
Astrophysics
14 pages, Latex, to appear in Physica A
Scientific paper
10.1016/S0378-4371(00)00612-9
Minkowski functionals constitute a family of order parameters which discriminate spatial patterns according to size, shape and connectivity. Here we point out, that these scalar descriptors can be complemented by vector-valued curvature measures also known as Quermass vectors. Using examples of galaxy clusters, we demonstrate that the Quermass vectors provide additional morphological information on directional features and symmetries displayed by spatial data.
Beisbart Claus
Buchert Thomas
Wagner Hendrik
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