I am asked where the bounded continuous functions on $\mathbb{R}$ (with sup norm) with the right shift operators ( $T_t(f)(x)=f(x-t)$ ) form a c0 semigroup. I believe the answer is no, but I am struggling to find a Counterexample. Could someone help out? Thanks. Lachlan
2026-03-27 01:13:53.1774574033
Shift operators and c0 semigroups
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