Post Correspondence Problem - Definition of The Problem

Definition of The Problem

The input of the problem consists of two finite lists and of words over some alphabet having at least two symbols. A solution to this problem is a sequence of indices with and for all, such that

The decision problem then is to decide whether such a solution exists or not.

Read more about this topic:  Post Correspondence Problem

Famous quotes containing the words definition of the, definition of, definition and/or problem:

    The very definition of the real becomes: that of which it is possible to give an equivalent reproduction.... The real is not only what can be reproduced, but that which is always already reproduced. The hyperreal.
    Jean Baudrillard (b. 1929)

    Definition of a classic: a book everyone is assumed to have read and often thinks they have.
    Alan Bennett (b. 1934)

    Mothers often are too easily intimidated by their children’s negative reactions...When the child cries or is unhappy, the mother reads this as meaning that she is a failure. This is why it is so important for a mother to know...that the process of growing up involves by definition things that her child is not going to like. Her job is not to create a bed of roses, but to help him learn how to pick his way through the thorns.
    Elaine Heffner (20th century)

    Congress seems drugged and inert most of the time. ...Its idea of meeting a problem is to hold hearings or, in extreme cases, to appoint a commission.
    Shirley Chisholm (b. 1924)