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Abstract

In this paper we discuss triple systems whose elements come from an abelian group G. Every triple of elements with the same sum in G will correspond to three collinear points in the projective plane. We will show that the set of all points in such a triple system must lie on a cubic curve γ which we call the envelope of the system. We will determine the number and location of equivalent triple systems which have the same cubic envelope. These results will be used to determine exactly which finite abelian groups can be used to construct a geometric triple system.

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References

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Correspondence to Raymond R. Fletcher III .

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Figure Appendix

Figure Appendix

Fig. 31
figure 31

(Z18,0) triple system on Type IV cubic curve with increment=2

Fig. 32
figure 32

(Z18,1) triple system on Type IV cubic curve with increment 4

Fig. 33
figure 33

(Z13,0) triple system on Type V cubic

Fig. 34
figure 34

(Z14,0) triple system on Type V cubic with vertex 7 at infinity

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Fletcher, R.R. (2017). Geometric Triple Systems with Base Z and Zn . In: Toni, B. (eds) New Trends and Advanced Methods in Interdisciplinary Mathematical Sciences. STEAM-H: Science, Technology, Engineering, Agriculture, Mathematics & Health. Springer, Cham. https://doi.org/10.1007/978-3-319-55612-3_2

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