English
There is a ring structure on the space of continuous linear maps M →L[R] M with ring operations defined pointwise.
Русский
Существуют кольцевые операции на пространстве непрерывных линейных отображений M →L[R] M.
LaTeX
$$Ring (ContinuousLinearMap (RingHom.id R) M M)$$
Lean4
instance ring [IsTopologicalAddGroup M] : Ring (M →L[R] M)
where
__ := ContinuousLinearMap.semiring
__ := ContinuousLinearMap.addCommGroup
intCast z := z • (1 : M →L[R] M)
intCast_ofNat := natCast_zsmul _
intCast_negSucc := negSucc_zsmul _