Eigenvalue estimates for submanifolds in Hadamard manifolds and product manifolds N x R

Mao, J; Tu, RQ; Zeng, K

Mao, J (corresponding author), Hubei Univ, Fac Math & Stat, Key Lab Appl Math Hubei Prov, Wuhan 430062, Peoples R China.

HIROSHIMA MATHEMATICAL JOURNAL, 2020; 50 (1): 17