A 2-coloring of [1,N] can have (1/22)N2+O(N) monochromatic Schur triples, but not less.
Robertson, Aaron ; Zeilberger, Doron
The Electronic Journal of Combinatorics [electronic only], Tome 5 (1998), / Harvested from The Electronic Library of Mathematics
Access to full text
Full (PDF)
Publié le : 1998-01-01
EUDML-ID : urn:eudml:doc:119532 
@article{01139282,
     title = {A 2-coloring of },
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {5},
     year = {1998},
     zbl = {0894.05052},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01139282}
}

Robertson, Aaron; Zeilberger, Doron. A 2-coloring of . The Electronic Journal of Combinatorics [electronic only], Tome 5 (1998) . http://gdmltest.u-ga.fr/item/01139282/