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  2. After experiencing pain, you might probe the area with your tongue or look in your mouth using a mirror and find a bump on your gum. Other symptoms of gum boils can include: bad breath. bleeding ...

  3. Markov chain - Wikipedia

    en.wikipedia.org/wiki/Markov_chain

    Markov Processes in continuous time were discovered long before his work in the early 20th century in the form of the Poisson process. [28] [29] [30] Markov was interested in studying an extension of independent random sequences, motivated by a disagreement with Pavel Nekrasov who claimed independence was necessary for the weak law of large ...

  4. History of Hamas - Wikipedia

    en.wikipedia.org/wiki/History_of_Hamas

    Palestinian Prime Minister Ahmed Qurei and his cabinet resigned, leaving Hamas to form a new government, which was completely formed on March 20. On February 19, Hamas had chosen Ismail Haniya as Prime minister of the PA , and on the same day the government of Israel decided counter-measures against the new Hamas-led Palestinian Authority ...

  5. Numero sign - Wikipedia

    en.wikipedia.org/wiki/Numero_sign

    The numero sign or numero symbol, № (also represented as Nº, No̱, No. or no. ), [1] [2] is a typographic abbreviation of the word number ( s) indicating ordinal numeration, especially in names and titles. For example, using the numero sign, the written long-form of the address "Number 29 Acacia Road" is shortened to "№ 29 Acacia Rd", yet ...

  6. Astrological symbols - Wikipedia

    en.wikipedia.org/wiki/Astrological_symbols

    The modern astrological form of the symbol for Vesta, ⚶, was created by Eleanor Bach, who is credited with pioneering the use of the big four asteroids with the publication of her Ephemerides of the Asteroids in the early 1970s. The original form of the symbol for Vesta, , was created by German mathematician Carl Friedrich Gauss. Olbers ...

  7. Beta sheet - Wikipedia

    en.wikipedia.org/wiki/Beta_sheet

    The beta sheet ( β-sheet, also β-pleated sheet) is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands ( β-strands) connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet. A β-strand is a stretch of polypeptide chain typically 3 to 10 amino ...

  8. Null sign - Wikipedia

    en.wikipedia.org/wiki/Null_sign

    In mathematics, the null sign (∅) denotes the empty set. Note that a null set is not necessarily an empty set. Common notations for the empty set include " {}", "∅", and " ". The latter two symbols were introduced by the Bourbaki group (specifically André Weil) in 1939, inspired by the letter Ø in the Danish and Norwegian alphabets (and ...

  9. Block letters - Wikipedia

    en.wikipedia.org/wiki/Block_letters

    On official forms, one is often asked to "please print". This is because cursive handwriting is harder to read, and the glyphs are joined so they do not fit neatly into separate boxes. Block letters may also be used as to refer to block capitals , which means writing in all capital letters or in large and small capital letters , imitating the ...