International Journal of Geometry

2019

MARTIN JOSEFSSON – More characterizations of cyclic quadrilaterals

MARTIN JOSEFSSON – More characterizations of cyclic quadrilaterals

ÖZCAN GELIŞGEN and SERHAT YAVUZ – A note about isometry groups of chamfered dodecahedron and chamfered icosahedron spaces

ÖZCAN GELIŞGEN and SERHAT YAVUZ – A note about isometry groups of chamfered dodecahedron and chamfered icosahedron spaces

TRAN QUANG HUNG – A direct trigonometric proof of Morley’s theorem

TRAN QUANG HUNG – A direct trigonometric proof of Morley’s theorem

DAO THANH OAI and CHERNG-TIAO PERNG – On the eight circles theorem and its dual

DAO THANH OAI and CHERNG-TIAO PERNG – On the eight circles theorem and its dual

PARIS PAMFILOS – Refactoring equiaffinities

PARIS PAMFILOS – Refactoring equiaffinities

AHMED MOHSIN MAHDI – Quadratic conics in hyperbolic geometry

AHMED MOHSIN MAHDI – Quadratic conics in hyperbolic geometry

JOHN DONNELLY – The non-redundancy of Side-Angle-Side as an axiom of the non-continuous non-Euclidean plane

JOHN DONNELLY – The non-redundancy of Side-Angle-Side as an axiom of the non-continuous non-Euclidean plane

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