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Theorem continuous_linear_map.isometry_iff_norm_image_eq_norm

Modification history

2021-01-27 01:48
src/analysis/normed_space/operator_norm.lean
feat(analysis/normed_space): define linear isometries (#5867) …
Deleted continuous_linear_map.isometry_iff_norm_image_eq_normView on Github →
2019-11-26 12:10
src/analysis/normed_space/operator_norm.lean
feat(analysis/complex/basic): restriction of scalars, real differentiability of complex functions (#1716) …
Added continuous_linear_map.isometry_iff_norm_image_eq_normView on Github →