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math.FA2026
-Transitivity of Backward Shifts on Lattice Graphs
Xiang Chen, Cui Wang, Ze-hua Zhou
We study -transitivity of backward shifts on finite- and infinite-width directed lattice graphs. For the unilateral and bilateral finite-width lattices on weighted $\el…
math.FA2026
-Transitivity of Translation Semigroups on Directed Metric Trees
Xiang Chen, Li Zhang, Zehua Zhou
We study the -transitivity and topological -recurrence of left translation semigroups on weighted -spaces over directed metric trees. Motivated by the…