@article {
author = {Manna, Atanu},
title = {Certain geometric structures of $\Lambda$-sequence spaces},
journal = {Advances in Operator Theory},
volume = {3},
number = {2},
pages = {433-450},
year = {2018},
publisher = {Tusi Mathematical Research Group (TMRG)},
issn = {2538-225X},
eissn = {2538-225X},
doi = {10.15352/aot.1705-1164},
abstract = {The $\Lambda$-sequence spaces $\Lambda_p$ for $1< p\leq\infty$ and their generalized forms $\Lambda_{\hat{p}}$ for $1<\hat{p}<\infty$, $\hat{p}=(p_n)$, $n\in \mathbb{N}_0$ are introduced. The James constants and strong $n$-th James constants of $\Lambda_p$ for $1