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  2. 10 Hard Math Problems That Even the Smartest People in the ...

    www.aol.com/10-hard-math-problems-even-150000090...

    In September 2019, news broke regarding progress on this 82-year-old question, thanks to prolific mathematician Terence Tao. And while the story of Tao’s breakthrough is promising, the problem ...

  3. 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.

  4. List of Cambridge International Examinations Advanced Level ...

    en.wikipedia.org/wiki/List_of_Cambridge...

    AS Level only CIE 8291: Environmental Management: AS Level only CIE 8436: Thinking Skills: AS Level only; expired in 2007 CIE 8660: Research Project: AS Level only CIE 8663: Music: AS Level only CIE 8664: Portuguese: expired in 2006 CIE 8665: Spanish – First Language: AS Level only CIE 8666: Physical Education: AS Level only CIE 8667 ...

  5. American Invitational Mathematics Examination - Wikipedia

    en.wikipedia.org/wiki/American_Invitational...

    The American Invitational Mathematics Examination (AIME) is a selective and prestigious 15-question 3-hour test given since 1983 to those who rank in the top 5% on the AMC 12 high school mathematics examination (formerly known as the AHSME), and starting in 2010, those who rank in the top 2.5% on the AMC 10. Two different versions of the test ...

  6. List of Advanced Level subjects - Wikipedia

    en.wikipedia.org/wiki/List_of_Advanced_Level...

    This is a list of Advanced Level (usually referred to as A-Level) subjects A. Accounting ...

  7. Subset sum problem - Wikipedia

    en.wikipedia.org/wiki/Subset_sum_problem

    As both n and L grow large, SSP is NP-hard. The complexity of the best known algorithms is exponential in the smaller of the two parameters n and L. The problem is NP-hard even when all input integers are positive (and the target-sum T is a part of the input). This can be proved by a direct reduction from 3SAT. [2]

  8. Raising and lowering indices - Wikipedia

    en.wikipedia.org/wiki/Raising_and_lowering_indices

    It is common convention to use greek indices when writing expressions involving tensors in Minkowski space, while Latin indices are reserved for Euclidean space. Well-formulated expressions are constrained by the rules of Einstein summation: any index may appear at most twice and furthermore a raised index must contract with a lowered index ...

  9. S&P; Global (SPGI) Q4 2024 Earnings Call Transcript - AOL

    www.aol.com/finance/p-global-spgi-q4-2024...

    Lastly, in Indices, our guidance assumes relatively flat equity asset prices from the end of 2024, given the very strong returns in the S&P 500 over the last two years. As such, we expect revenue ...