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Constructing 7-clusters

Title data

Kurz, Sascha ; Noll, Landon Curt ; Rathbun, Randall ; Simmons, Chuck:
Constructing 7-clusters.
In: Serdica Journal of Computing. Vol. 8 (2014) Issue 1 . - pp. 47-70.
ISSN 1312-6555

Abstract in another language

A set of n lattice points in the plane, no three on a line and no four on a circle, such that all pairwise distances and coordinates are integral is called an n-cluster (in R^2). We determine the smallest 7-cluster with respect to its diameter. Additionally we provide a toolbox of algorithms which allowed us to computationally locate over 1000 different 7-clusters, some of them having huge integer edge lengths. On the way, we have exhaustively determined all Heronian triangles with largest edge length up to 6 millions.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: integral point sets; heron triangles
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics > Chair Mathematics in Economy
Faculties
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 510 Mathematics
Date Deposited: 23 Apr 2015 12:41
Last Modified: 23 Apr 2015 12:41
URI: https://eref.uni-bayreuth.de/id/eprint/10648