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  2. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  3. The Seven-Per-Cent Solution - Wikipedia

    en.wikipedia.org/wiki/The_Seven-Per-Cent_Solution

    ISBN. 0-525-20015-0 (first edition, hardback) Followed by. The West End Horror. The Seven-Per-Cent Solution: Being a Reprint from the Reminiscences of John H. Watson, M.D. is a 1974 novel by American writer Nicholas Meyer. It is written as a pastiche of a Sherlock Holmes adventure, and was made into a film of the same name in 1976.

  4. Seven Bridges of Königsberg - Wikipedia

    en.wikipedia.org/wiki/Seven_Bridges_of_Königsberg

    Significance in the history and philosophy of mathematics [ edit ] In the history of mathematics , Euler's solution of the Königsberg bridge problem is considered to be the first theorem of graph theory and the first true proof in the theory of networks, [ 4 ] a subject now generally regarded as a branch of combinatorics .

  5. Scientists traced roses’ thorny origins and solved a 400 ...

    www.aol.com/did-rose-prickles-study-answers...

    A team of international researchers found that the answer lies in their DNA, tracing the origin to one ancient gene family that’s responsible for the prickles in all these variations, according ...

  6. History of mathematics - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematics

    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. From 3000 BC the Mesopotamian states of Sumer, Akkad and ...

  7. Moore's law - Wikipedia

    en.wikipedia.org/wiki/Moore's_law

    Brian Krzanich, the former CEO of Intel, cited Moore's 1975 revision as a precedent for the current deceleration, which results from technical challenges and is "a natural part of the history of Moore's law". [31] [32] [33] The rate of improvement in physical dimensions known as Dennard scaling also ended in the mid-2000s. As a result, much of ...

  8. Matrix (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(mathematics)

    Matrix (mathematics) An m × n matrix: the m rows are horizontal and the n columns are vertical. Each element of a matrix is often denoted by a variable with two subscripts. For example, a2,1 represents the element at the second row and first column of the matrix. In mathematics, a matrix ( pl.: matrices) is a rectangular array or table of ...

  9. List of women in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_women_in_mathematics

    Charlotte Barnum (1860–1934), mathematician and social activist, first female mathematics PhD from Yale. Margaret Baron (1915–1996), British mathematics educator and historian of mathematics. Lida Barrett (1927–2021), second female president of the MAA. June Barrow-Green (born 1953), British historian of mathematics.