Proper noun
Ackermann
A surname from German.
Ackermann had published a flawed consistency proof for analysis in 1925, in which he attempted to use the method of ε-substitution originally developed by Hilbert. Source: Internet
All primitive recursive functions are total and computable, but the Ackermann function illustrates that not all total computable functions are primitive recursive. Source: Internet
A print drawn by Augustus Pugin and Thomas Rowlandson for Rudolph Ackermann 's Microcosm of London (1808–11). Source: Internet
Bernays included a full proof of the incompleteness theorems in the second volume of Grundlagen der Mathematik (1939), along with additional results of Ackermann on the ε-substitution method and Gentzen's consistency proof of arithmetic. Source: Internet
Framed against the Rita Ackermann paintings, which telegraph an ecstatic universality via their bright-hued abstraction, Sevigny’s photographed figure looks as naturally placed within the gallery walls as the canvases themselves. Source: Internet
A putative course of evolution of these phages has been proposed by Ackermann. Source: Internet