Emperor Wucheng of Northern Qi Emperor Wucheng of Northern Qi Emperor Wucheng of Northern Qi ((北)齊武成帝) (537–569), personal name Gao Zhan (高湛 which can also romanized as Gao Dan), nickname Buluoji (步落稽), was an emperor of Northern Qi. In traditional Chinese historiography, he was presented as a minimally competent ruler who devoted much of his time to feasting and pleasure-seeking, neglecting the affairs of the state. The state was governed with assistance from his adviser He Shikai and other appointed administrators. In 565, he passed the throne to his young son Gao Wei, taking the title "Taishang Huang" (retired emperor), but continued to make key
What Is Mathematics? Expectations" by Charles Dickens. According to Constance Reid, Courant finalized the title after a conversation with Thomas Mann. What Is Mathematics? What Is Mathematics? is a mathematics book written by Richard Courant and Herbert Robbins, published in England by Oxford University Press. It is an introduction to mathematics, intended both for the mathematics student and for the general public. First published in 1941, it discusses number theory, geometry, topology and calculus. A second edition was published in 1996 with an additional chapter on recent progress in mathematics, written by Ian Stewart. The book was based on Courant's course material. Although