"Arma" most likely refers to the model, a foundational statistical tool used in time-series analysis to predict future data points based on past observations.

These recent papers address long-standing technical issues in how ARMA models are calculated.

ARMA models are used across fields to forecast everything from solar energy to heart health.

Since you requested "solid papers," the following academic articles focus on the statistical , covering modern improvements, diverse applications, and foundational theory. 📈 Modern Improvements & Statistical Theory

Alternatively, "Arma" can refer to the video game series (specifically Arma 3 ), known for its tactical military simulation.