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Garcia, Emmanuel Antonio Jose

A note on reflections, 14 (2014) 155--161.
Another archimedean circle in an arbelos, 15 (2015) 127--128.
(with P. Yiu) Golden sections of triangle centers in the golden triangles, 16 (2016) 119--124.

Garcia Capitan, Francisco Javier

Means as chords, 8 (2008) 99--101.
Trilinear polars of Brocardians,
9 (2009) 297--300.
(with J.-P. Ehrmann and A. Myakishev) Construction of circles through intercepts to paralells to cevians, 11 (2011) 261--268.
Collinearity of the first trisection points of cevian segments,
11 (2011) 217--221.
(with N. Dergiades and S. H. Lim) On six circumcenters and their concyclicity, 11 (2011) 269--275.
A generalization of the Conway circle,
13 (2013) 191--1952.
Some simple results on cevian quotients, 13 (2013) 227--231.
A simple construction of an inconic, 14 (2014) 387--388.
Lemniscates and a locus related to a pair of median and symmedian, 15 (2015) 123--125.
Another construction of the Simson lines through a given point, 15 (2015) 173--176.
Locus of centroids of similar inscribed triangles, 16 (2016) 257--267.
A family of triangles for which two specific triangle centers have the same coordinates, 18 (2018) 79--82.

García--Caballero, Esther M.

(with S. G. Moreno) Irrationality of √2: Yet another visual proof, 18 (2018) 37--38.


Garza-Hume, C. E.

(with M. C. Jorge and A. Olvera) Areas and shapes of planar irregular polygons, 18 (2018) 17--36.


Gelisgen, Özcan

On the relations between truncated cuboctahedron, truncated icosidodecahedron and metrics, 17 (2017) 273--285.


Gensane, Thierry

(with P. Ryckelynck) On the maximal inflation of two squares, 5 (2005) 23--31.
(with P. Honvault), Optimal packings of two ellipses in a square, 14 (2014) 371--380.

Gévay, Gábor

An extension of Miquel's six-circles theorem, 18 (2018) 115--118.


Gibert, Bernard

(with J.-P. Ehrmann) A Morley configuration, 1 (2001) 51--58.
(with J.-P. Ehrmann) The Simson cubic, 1 (2001) 107--114.
The Lemoine cubic and its generalizations,
2 (2002) 47--63.
Orthocorrespondence and orthopivotal cubics,
3 (2003) 1--27.
(with F. M. van Lamoen) The parasix configuration and orthocorrespondence, 3 (2003) 169--180.
Antiorthocorrespondents of Circumconics,
3 (2003) 231--249.
Generalized Mandart conics,
4 (2004) 177--198.
Isocubics with concurrent normals,
6 (2006) 47--52.
The Simmons conics,
6 (2006) 213--224.
Bicevian Tucker circles,
7 (2007) 87--97.
How pivotal isocubics intersect the circumcircle,
7 (2007) 211--229.
Cubics related to coaxial circles,
8 (2008) 77--95.
Asymptotic directions of pivotal isocubics,
14 (2014) 173--189.
The Cevian Simson transformation, 14 (2014) 191--200.

Goddijn, Aad

(with F. M. van Lamoen) Triangle-conic porism, 5 (2005) 57--61.


Goehl, John F. Jr

Pythagorean triangles with square of perimeter equal to an integer multiple of area, 9 (2009) 281--282.
More integer triangles with R/r=N,
12 (2012) 27--28.
Finding integer-sided triangles with P^2 = nA,
12 (2012) 211--213.
(with J. De la Cruz) Two interesting integer parameters of integer-sided triangles, 17 (2017) 411--417.


Gonzalez, Luis

On a triad of circles tangent to the circumcircle and the sides at their midpoints, 11 (2011) 145--154.
(with C. Pohoata) On the intersections of the incircle and the cevian circumcircle of the incenter, 12 (2012) 141--148.

Gorjanc, Sonja

(with M. Hoffmann) On the generalized Gergonne point and beyond, 8 (2008) 151--155.


Gras, Marie-Nicole

Distances between the circumcenter of the extouch triangle and the classical centers, 14 (2014) 51--61.

Grinberg, Darij

(with P. Yiu) The Apollonius circle as a Tucker circle, 2 (2002) 175--182.
(with A. Dixit) Orthopoles and the Pappus theorem, 4 (2004) 53--59.
On the Kosnita point and the reflection triangle,
3 (2003) 105--111.
(with A. Myakishev) A generalization of the Kiepert hyperbola, 4 (2004) 253--260.