[LĖ‚đ“,pĖ‚đ“] = ΚħpĖ‚đ“Ž [LĖ‚đ“,pĖ‚đ“] = -ΚħpĖ‚đ“Ž [LĖ‚đ“,pĖ‚đ“] = 0 [LĖ‚đ“,pĖ‚²] =