This number is bounded by λ ( G ) ≥ 2 d − 1 − o ( 1 ) {\displaystyle \lambda (G)\geq 2{\sqrt {d-1}}-o(1)} .
Acest număr este mărginit de λ ( G ) ≥ 2 d − 1 − o ( 1 ) {\displaystyle \lambda (G)\geq 2{\sqrt {d-1}}-o(1)} .