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  2. Clarke Studies - Wikipedia

    en.wikipedia.org/wiki/Clarke_Studies

    The second volume, published in 1912 as Clarke's Technical Studies for Cornet, includes 190 exercises divided into ten studies with notes from the author suggesting how to practice them. Each of the ten studies concludes with an exercise serving as an étude , except for the ninth study, which lacks an exercise labeled as such, and the tenth ...

  3. Clarke's three laws - Wikipedia

    en.wikipedia.org/wiki/Clarke's_three_laws

    The second law is offered as a simple observation in the same essay but its status as Clarke's second law was conferred by others. It was initially a derivative of the first law and formally became Clarke's second law where the author proposed the third law in the 1973 revision of Profiles of the Future, which included an acknowledgement. [4]

  4. Birch and Swinnerton-Dyer conjecture - Wikipedia

    en.wikipedia.org/wiki/Birch_and_Swinnerton-Dyer...

    This statement, due to Tunnell's theorem (Tunnell 1983), is related to the fact that n is a congruent number if and only if the elliptic curve y 2 = x 3 − n 2 x has a rational point of infinite order (thus, under the Birch and Swinnerton-Dyer conjecture, its L-function has a zero at 1). The interest in this statement is that the condition is ...

  5. Clarke generalized derivative - Wikipedia

    en.wikipedia.org/wiki/Clarke_generalized_derivative

    Note that the Clarke generalized gradient is set-valued—that is, at each , the function value () is a set. More generally, given a Banach space X {\displaystyle X} and a subset Y ⊂ X , {\displaystyle Y\subset X,} the Clarke generalized directional derivative and generalized gradients are defined as above for a locally Lipschitz continuous ...

  6. EXCLUSIVE: Triplets find out their birth order at age 18 in ...

    www.aol.com/news/exclusive-triplets-birth-order...

    Triplets Janie, Wright and Luke Hilbert found out their birth order on their 18th birthday in a moment shared on TikTok. Their parents explain to TODAY.com why they waited to tell them.

  7. 2-8-8-8-4 - Wikipedia

    en.wikipedia.org/wiki/2-8-8-8-4

    Only one 2-8-8-8-4 was ever built, a Mallet-type for the Virginian Railway in 1916. [1] Built by Baldwin Locomotive Works, it became the only example of their class XA, so named due to the experimental nature of the locomotive. Like the same railroad's large articulated electrics and the Erie Railroad 2-8-8-8-2s, it was nicknamed "Triplex".

  8. She has 2 uteruses. Then she had triplets. Her case is rare ...

    www.aol.com/lifestyle/she-2-uteruses-then-she...

    November 15, 2024 at 12:38 PM. Sadie, a 33-year-old mom, gave birth to three babies — across two separate uteruses. ... What to know about having 2 uteruses . Having triplets is rare. Having ...

  9. Triplet-triplet annihilation - Wikipedia

    en.wikipedia.org/wiki/Triplet-Triplet_Annihilation

    The energy of the first triplet excited state (T 1) is transferred to a second triplet excited state (T 1), resulting in (1) the first T 1 returning to the singlet ground state S0 and (2) the second T 1 promoting to the singlet excited state (S 1). Triplet-triplet annihilation (TTA) is an energy transfer mechanism where two molecules in their ...