Laxton introduced a group structure on the set of equivalence classes of linear recurrence sequences of degree 2. This result yields much information on the divisibilities of such sequences.

Equivalence-Based Instruction in Higher Education Publication Trend The graph below shows the total number of publications each year in Equivalence-Based Instruction in Higher Education.

We prove consistency of the Bayesian information criterion for estimating the interventional Markov equivalence class of directed acyclic graphs which is smaller than the observational analogue owing ...