Man-made Fibre

by Francine Stock (Author)

• Used

  Hardcover
  2002

  $3.29

  Corings and comodules are fundamental algebraic structures, which can be thought of as both dualisations and generalisations of rings and modules. Introduced by Sweedler in 1975, only recently they have been shown to have far reaching applications ranging from the category theory including differential graded categories through classical and Hopf-type module theory to non-commutative geometry and mathematical physics. This is the first extensive treatment of the theory of corings and their comodules. In the first part, the module-theoretic aspects of coalgebras over commutative rings are described. Corings are then defined as coalgebras over non-commutative rings. Topics covered include module-theoretic aspects of corings, such as the relation of comodules to special subcategories of the category of modules (sigma-type categories), connections between corings and extensions of rings, properties of new examples of corings associated to entwining structures, generalisations of bialgebras such as bialgebroids and weak bialgebras, and the appearance of corings in non-commutative geometry.

• Used

  Paperback
  2003

  $3.29

  It's the start of the Sixties in a smart English suburb. Blonde, perfect Patsy is the ideal helpmate - attractive, ambitious, and giving form to her husband's life. Alan, too, has film-star good looks but it's his work that defines him. He's a scientist on the verge of a big breakthrough. His corporation is in the race to find the new fibre - for the suit you can wear, wash, drip dry and wear again - and Alan is jetted over to head office in Delaware. But for Patsy, back at home with their three small children, this wasn't part of the grand plan. And when the Corporation sends an attractive young man to help with the packing and odd jobs, the inevitable happens, and now nothing will ever be quite the same again.