scholarly journals Lower bounds to the π0π0-π0π0 scattering length from unitarity, analyticity and crossing symmetry.

1971 ◽  
Vol 3 (1) ◽  
pp. 179-194 ◽  
Author(s):  
A. K. Common ◽  
R. Wit
Author(s):  
Parinya CHALERMSOOK ◽  
Hiroshi IMAI ◽  
Vorapong SUPPAKITPAISARN

2020 ◽  
Vol 148 (2) ◽  
pp. 321-327
Author(s):  
Rodolfo Gutiérrez-Romo ◽  
Carlos Matheus
Keyword(s):  

10.37236/1188 ◽  
1994 ◽  
Vol 1 (1) ◽  
Author(s):  
Geoffrey Exoo

For $k \geq 5$, we establish new lower bounds on the Schur numbers $S(k)$ and on the k-color Ramsey numbers of $K_3$.


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