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Hace 1 día · In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes (as did Fibonacci ...
Hace 2 días · v. t. e. The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales.
Hace 5 días · Signalling theory. By stotting (also called pronking), a springbok ( Antidorcas marsupialis) signals honestly to predators that it is young, fit, and not worth chasing. Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across species.
Hace 5 días · Sheaves also provide the basis for the theory of D-modules, which provide applications to the theory of differential equations. In addition, generalisations of sheaves to more general settings than topological spaces, such as Grothendieck topology , have provided applications to mathematical logic and to number theory .
Hace 2 días · Number theory Alhazen's contributions to number theory include his work on perfect numbers . In his Analysis and Synthesis , he may have been the first to state that every even perfect number is of the form 2 n −1 (2 n − 1) where 2 n − 1 is prime , but he was not able to prove this result; Euler later proved it in the 18th century, and it is now called the Euclid–Euler theorem .
Hace 4 días · Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized : kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively [1] ), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]
Hace 5 días · Vorlesungen über Zahlentheorie (Lectures on Number Theory) is a textbook of number theory written by German mathematicians P. G. Lejeune Dirichlet and R. Dedekind, and published in 1863. The Vorlesungen can be seen as a watershed between the classical number theory of Fermat , Jacobi and Gauss , and the modern number theory of Dedekind, Riemann and Hilbert .
