U = exp(iH), (4.94) where H is a hermitian matrix. Now any linear combination of hermitian matrices with real coefficients is again a hermitian matrix.

Manuel Mestre, for example, suspected Dias of ensorcelling people in the past. She had threatened his sister's children on several occasions.

'What a kurabiye, what a biscuit! Ha? Aren't you?' Gertjie freezes. Delican does the same, and they stay poised like this, reared like animals.

In the march to the future, these ex-assembly line laborers are being joined by white-collar workers suffering from cyberphobia (fear of computers), a growing number of functionally illiterate high school graduates and a new flood of illegal and poorly educated immigrants from Latin America.