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Girolamo Cardano, Ars Magna, Nurnberg, 1545.

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Great Problems of Mathematics: A Course Based on Original.. - Laubenbacher, Pengelley (1992)   (Correct)

....3 ax = b, published in his Ars Magna (The Great Art) 20, pp. 203 206] In the Greek spirit, his arguments are geometric, viewing the cubic term as a volume, although the computation is easily translated into algebra. The significance of his work (or, at least, of the publication of his book [4] in 1545) is twofold: it generated widespread interest in the problem of solving algebraic equations, and it raised the specter of imaginary numbers; even equations whose roots are all real may require imaginary numbers in the evaluation of Cardano s formula. A selection of his work on imaginary ....

Girolamo Cardano, Ars Magna, Nurnberg, 1545.


Synchronous Structures - Nowak (1999)   (Correct)

....machines. In [10] the language Signal has been modelled in interaction categories [1] where morphisms are processes and objects are types of processes. Motivations. In 1545, the great Italian mathematician Gerolamo Cardano wrote an important and influential treatise on Algebra: Ars Magna [8] in which the first complete expression for the solution of a general cubic equation was put forward. Cardano noticed that, in the case of some equation with three real solutions, he was forced to take at a certain stage the square root of a negative number. The imaginary numbers were born. ....

Gerolamo Cardano. Ars Magna. 1545.


Synchronous Structures - Nowak, Talpin, Le Guernic (1999)   (Correct)

....compiler of the Signal language. It completes and extends the results of [12] on the definition of a co inductive trace semantics of Signal in Coq. Influential Analogy. In 1545, the great Italian mathematician Gerolamo Cardano wrote an important and influential treatise on Algebra: Ars Magna [5] in which the first complete expression for the solution of a general cubic equation was put forward. Cardano noticed that, in the case of some equation with three real solutions, he was forced to take at a certain stage the square root of a negative number. The imaginary numbers were borned. ....

Gerolamo Cardano. Ars Magna. 1545.

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