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Ackermans is a South African chain of clothing retail stores. Founded in 1916 in Wynberg , Cape Town , Ackermans has over 700 stores across Southern Africa , including in Namibia , Botswana , Lesotho , eSwatini and Zambia , [ 3 ] and is headquartered in Kuilsrivier near Cape Town .
Ackermann function. In computability theory, the Ackermann function, named after Wilhelm Ackermann, is one of the simplest [1] and earliest-discovered examples of a total computable function that is not primitive recursive. All primitive recursive functions are total and computable, but the Ackermann function illustrates that not all total ...
Raymond Ackerman (businessman) Raymond Ackerman GCOB (10 March 1931 – 6 September 2023) was a South African businessman, who purchased the Pick 'n Pay supermarket group from its founder. He purchased four stores from Jack Goldin in the 1960s. Raymond Ackerman was chairman until he stepped down in 2010.
Ackerman (surname) Acker comes from German or Old English, meaning "ploughed field "; it is related to or an alternate spelling of the word acre. [1] [2] Therefore, Ackermann means "ploughman". Ackerman is also a common Ashkenazi Jewish surname of Yiddish origin with the same meaning.
Ackermann's formula. In control theory, Ackermann's formula is a control system design method for solving the pole allocation problem for invariant-time systems by Jürgen Ackermann. [1] One of the primary problems in control system design is the creation of controllers that will change the dynamics of a system by changing the eigenvalues of ...
Ackermann geometry. The Ackermann steering geometry is a geometric arrangement of linkages in the steering of a car or other vehicle designed to solve the problem of wheels on the inside and outside of a turn needing to trace out circles of different radii . It was invented by the German carriage builder Georg Lankensperger in Munich in 1816 ...
Mikasa Ackerman (ミカサ・アッカーマン, Mikasa Akkāman, alt. "Mikasa Ackermann") is a fictional character from Hajime Isayama's manga series Attack on Titan.Mikasa is introduced as a citizen of Paradis Island living with the protagonist, Eren Yeager, and his family, who took her in following the deaths of her parents in an attempted kidnapping.
Karl Fritz (カール・フリッツ, Kāru Furittsu) A descendant of Ymir Fritz and the 145th king of Eldia, as well as the 1st King of the Walls of Paradis. A pacifist by nature who inherited the Founding Titan, Karl detested his ancestors for the atrocities they caused and the civil war among the other Eldian houses.