Each f_n is bounded (by n) on [0,1], the sequence f_n converges pointwise to f on ]0,1], but f is not bounded on ]0,1]. [br]This counter-example shows that pointwise convergence does not, in general, preserve boundedness.
Each f_n is bounded (by n) on [0,1], the sequence f_n converges pointwise to f on ]0,1], but f is not bounded on ]0,1].