TY - JOUR TI - Accelerating cosmological universe with bilinear varying deceleration parameter in Lyra's geometry AU - SANTHIKUMAR, R. AU - KRISHNA, M. AU - BABU3, K.S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 1915 EP - 1924 DO - 10.14744/sigma.2026.2072 ER -