Geodesic
Refinement of Lower Bounds of the Chromatic Number of a Space with Forbidden One-Color Triangles
Matematičeskie zametki, Tome 105 (2019) no. 3, pp. 349-363

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The present paper deals with estimates of the chromatic number of a space with forbidden one-color triangles. New lower bounds for the quantity under study, which are sharper than all bounds obtained so far, are presented.
Keywords: Nelson–Erdős–Hadwiger problem, chromatic number of a space with forbidden one-color triangles, linear-algebraic method. 
@article{MZM_2019_105_3_a2,
     author = {A. V. Bobu and A. E. Kupriyanov},
     title = {Refinement of {Lower} {Bounds} of the {Chromatic} {Number} of a {Space} with {Forbidden} {One-Color} {Triangles}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {349--363},
     publisher = {mathdoc},
     volume = {105},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2019_105_3_a2/}
}
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A. V. Bobu; A. E. Kupriyanov. Refinement of Lower Bounds of the Chromatic Number of a Space with Forbidden One-Color Triangles. Matematičeskie zametki, Tome 105 (2019) no. 3, pp. 349-363. http://geodesic.mathdoc.fr/item/MZM_2019_105_3_a2/