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  2. List of small groups - Wikipedia

    en.wikipedia.org/wiki/List_of_small_groups

    Each group is named by Small Groups library as G o i, where o is the order of the group, and i is the index used to label the group within that order.. Common group names: Z n: the cyclic group of order n (the notation C n is also used; it is isomorphic to the additive group of Z/nZ)

  3. Size of groups, organizations, and communities - Wikipedia

    en.wikipedia.org/wiki/Size_of_groups...

    Either situation may or may not prove to be satisfying and lasting. In history, three leaders have sometimes attempted to share political power in a triumvirate, with little long-term success. On the other hand, groups of three can be very stable if there is a leader and two followers, such as a family of a single parent and two children.

  4. Statistical population - Wikipedia

    en.wikipedia.org/wiki/Statistical_population

    In statistics, a population is a set of similar items or events which is of interest for some question or experiment. [1] A statistical population can be a group of existing objects (e.g. the set of all stars within the Milky Way galaxy) or a hypothetical and potentially infinite group of objects conceived as a generalization from experience (e.g. the set of all possible hands in a game of ...

  5. Social Choice and Individual Values - Wikipedia

    en.wikipedia.org/wiki/Social_Choice_and...

    x P y: not y R x (y R x includes one of two options. Negating that option leaves only x P y, the third of the original three options, on the ballot.) From this, conjunction ('and') and negation ('not') of mere pairwise R relations can (also) represent all the properties of an ordering for all the objects of choice. Hence, the following shorthand.

  6. Sociology of small groups - Wikipedia

    en.wikipedia.org/wiki/Sociology_of_small_groups

    The definition of sociology of small groups was first introduced by the French author and sociologist Gabriel Tarde. [4] Small groups are groups of a small number of members with intense interaction between them. [5] The sociology of small groups has also been defined as a field research [6] and the study of sociology of community. [7] A.

  7. Group object - Wikipedia

    en.wikipedia.org/wiki/Group_object

    An algebraic group is a group object in the category of algebraic varieties. In modern algebraic geometry, one considers the more general group schemes, group objects in the category of schemes. A localic group is a group object in the category of locales. The group objects in the category of groups (or monoids) are the abelian groups.

  8. Boundary object - Wikipedia

    en.wikipedia.org/wiki/Boundary_object

    Boundary objects are said to allow coordination without consensus as they can allow an actor's local understanding to be reframed in the context of a wider collective activity. [7] Similarly, Etienne Wenger describes boundary objects as entities that can link communities together as they allow different groups to collaborate on a common task. [8]

  9. Category of sets - Wikipedia

    en.wikipedia.org/wiki/Category_of_sets

    This is a problem because it means that the category of sets cannot be formalized straightforwardly in this setting. Categories like Set whose collection of objects forms a proper class are known as large categories, to distinguish them from the small categories whose objects form a set.