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The very nature of glass is somewhat mysterious: while relaxation times in glasses are of sufficient magnitude that large-scale motion on the atomic level is essentially as slow as it is in the crystalline state, the structure of glass appears barely different than that of the liquid that produced it. Quantum mechanical systems ranging from electron liquids to superfluid helium appear to form glasses, but as yet no unifying framework exists connecting classical and quantum regimes of vitrification. Here we develop new insights from theory and simulation into the quantum glass transition that surprisingly reveal distinct regions where quantum fluctuations can either promote or inhibit glass formation.

Authored by By J. G. Rainbolt and J. A. Gallian, this GAP Manual accompanies Contemporary Abstract Algebra, Fifth Edition, and provides instruction and exercises for students who use the GAP software program.

It's Tough Suddenly Changing from One Alphabet to Another. Azerbaijan Is on Its Third One This Century.

Polish Archaeology in the Mediterranean. Annuall Reports published in English, presenting the full extent of archaeological, geophysical, restoration and study work carried out by expeditions from the Polish Centre of Mediterranean Archaeology, University of Warsaw.

Eigenvalue analysis of non-hermitian matrices and operators can be misleading: Predictions often fail to match observations. Specifically, trouble may arise when the associated sets of eigenvectors are ill-conditioned with respect to the norm of applied interest.Pseudospectra provide an analytical and graphical alternative for investigating non-normal matrices and operators.

From the page: "Sergei Eisenstein (1898-1948) was a Soviet-era film maker. What does he have to do with physics? "

From the page: "The Oriental Institute of the University of Chicago, one of the world's leading research centers for the study of the languages of the ancient Middle East, will present a new exhibit "Visible Speech: The Origins of Writing in the Ancient Middle East.""

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