TY - JOUR ID - Mohammed2026 LB - Mohammed2026 AU - Mohammed, Ahmed AU - Porru, Giovanni TI - A short note on Harnack inequality for k-Hessian equations with nonlinear gradient terms ST - A short note on Harnack inequality for k-Hessian equations with nonlinear gradient terms JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2026 VL - 46 IS - 1 SP - 55 EP - 72 DO - https://doi.org/10.7494/OpMath.202512261 UR - https://doi.org/10.7494/OpMath.202512261 AB - In this short note we study a Harnack inequality for \(k\)-Hessian equations that involve nonlinear lower-order terms which depend on the solution and its gradient. KW - \(k\)-Hessian equation KW - \(k\)-convex solutions KW - Harnack inequality KW - Liouville property SN - 1232-9274 ER -