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Dive into the research topics where Zdenka Kolar-Begović is active.

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Featured researches published by Zdenka Kolar-Begović.


Journal of Applied Mathematics | 2014

Affine Fullerene C60 in a GS-Quasigroup

Vladimir Volenec; Zdenka Kolar-Begović; Ružica Kolar-Šuper

It will be shown that the affine fullerene C60, which is defined as an affine image of buckminsterfullerene C60, can be obtained only by means of the golden section. The concept of the affine fullerene C60 will be constructed in a general GS-quasigroup using the statements about the relationships between affine regular pentagons and affine regular hexagons. The geometrical interpretation of all discovered relations in a general GS-quasigroup will be given in the GS-quasigroup .


Sarajevo Journal of Mathematics | 2015

Equicevian points and equiangular lines of a triangle in an isotropic plane

Zdenka Kolar-Begović; Ružica Kolar-Šuper; Vladimir Volenec

The concepts of equicevian points and equiangular lines of a triangle in an isotropic plane are studied in this paper. A number of significant properties of the introduced concepts are considered.


Mathematica Pannonica | 2006

Symmedians and the symmedian center of the triangle in an isotropic plane

Zdenka Kolar-Begović; Ružica Kolar-Šuper; Jelena Beban-Brkić; Vladimir Volenec


Quasigroups and related systems | 2011

Affine-regular hexagons in the parallelogram space

Vladimir Volenec; Zdenka Kolar-Begović; Ružica Kolar-Šuper


Czechoslovak Mathematical Journal | 2011

A short direct characterization of GS-quasigroups

Zdenka Kolar-Begović


Mathematica Pannonica | 2010

Steiner's ellipses of the triangle in an isotropic plane

Vladimir Volenec; Zdenka Kolar-Begović; Ružica Kolar-Šuper


Rad Hrvatske akademije znanosti i umjetnosti. Razred za matematičke, fizičke i kemijske znanosti. Matematičke znanosti | 2009

Brocard angle of the standard triangle in an isotropic plane

Zdenka Kolar-Begović; Ružica Kolar-Šuper; Vladimir Volenec


International journal of pure and applied mathematics | 2008

Isogonality and inversion in an isotropic plane

Ružica Kolar-Šuper; Zdenka Kolar-Begović; Vladimir Volenec; Jelka Beban-Brkić


KoG | 2018

Afino pravilan ikozaedar upisan u afino pravilan oktaedar u GS-kvazigrupi

Zdenka Kolar-Begović


Archive | 2017

Mathematics Education as a Science and a Profession.

Zdenka Kolar-Begović; Ružica Kolar-Šuper; Ljerka Jukic Matic

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Ružica Kolar-Šuper

Josip Juraj Strossmayer University of Osijek

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