KoG, Vol. 8. No. 8., 2004.
Stručni rad
Butterflies in the Isotropic Plane
Jelena Beban Brkić
; Geodetski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Vladimir Volenec
; Matematički odjel Prirodoslovno-matematičkog fakulteta Sveučilišta u Zagrebu, Zagreb, Hrvatska
Sažetak
A real affine plane A2 is called an isotropic plane I2, if in A2 a metric is induced by an absolute {f, F}, consisting of the line at infinity f of A2 and a point F ∈ f. In this paper the well-known Butterfly theorem has been adapted for the isotropic plane. For the theorem that we will further-on call an Isotropic butterfly theorem, four proofs are given.
Ključne riječi
isotropic plane; butterfly theorem
Hrčak ID:
3711
URI
Datum izdavanja:
17.2.2005.
Posjeta: 2.128 *