Liouville-type theorems for sub-elliptic systems involving Δλ-Laplacian

We study the Liouville-type theorems for the sub-elliptic inequality − Δ λ u ≥ u p i n R N and for the corresponding system − Δ λ u ≥ v p − Δ λ v ≥ u q i n R N , where p , q ∈ R , and Δ λ is a ...