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  2. Contract bridge probabilities - Wikipedia

    en.wikipedia.org/wiki/Contract_bridge_probabilities

    Hence, the number of suit permutations of the 4-4-3-2 pattern is twelve. Or, stated differently, in total there are twelve ways a 4-4-3-2 pattern can be mapped onto the four suits. Below table lists all 39 possible hand patterns, their probability of occurrence, as well as the number of suit permutations for each pattern.

  3. Interstitial site - Wikipedia

    en.wikipedia.org/wiki/Interstitial_site

    [citation needed] In a close-packed structure there are 4 atoms per unit cell and it will have 4 octahedral voids (1:1 ratio) and 8 tetrahedral voids (1:2 ratio) per unit cell. [1] The tetrahedral void is smaller in size and could fit an atom with a radius 0.225 times the size of the atoms making up the lattice.

  4. Betti number - Wikipedia

    en.wikipedia.org/wiki/Betti_number

    The first few Betti numbers have the following definitions for 0-dimensional, 1-dimensional, and 2-dimensional simplicial complexes: b 0 is the number of connected components; b 1 is the number of one-dimensional or "circular" holes; b 2 is the number of two-dimensional "voids" or "cavities".

  5. List of mathematical functions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_functions

    There is a large theory of special functions which developed out of statistics and mathematical physics. A modern, abstract point of view contrasts large function spaces , which are infinite-dimensional and within which most functions are 'anonymous', with special functions picked out by properties such as symmetry , or relationship to harmonic ...

  6. List of voids - Wikipedia

    en.wikipedia.org/wiki/List_of_voids

    In the tables, z is the cosmological redshift, ... major void: 2 3 h 34 m −28° 50′ 99.7 56.2 Fornax: major void SRSS1 Void 4 3 22 h 25 m −14° 46′ 107.2 60.8

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]

  9. Crowd crush kills 35 children at funfair in Nigeria, police say

    www.aol.com/crowd-crush-kills-35-children...

    Many children were among 30 people killed in a crowd crush at a church event in the southeastern city of Port Harcourt in 2022, according to police and security officials.