Thursday, June 21, 2018 - 10:00am - 11:00am
Amartya Banerjee (Lawrence Berkeley National Laboratory)
Over the past few decades, first principles (i.e., quantum mechanical) methods have been instrumental in the discovery and characterization of novel materials. Traditionally, these methods have focused on the study of periodic / crystalline systems and their homogeneous deformations. In this talk, I will describe how ideas related to physical symmetry, when used in conjunction with ab initio theories, can help in the search of a new class of unprecedented materials, and their associated (inhomogeneous) deformation modes.
Thursday, September 19, 2013 - 7:00pm - 8:00pm
Brian Conrad (Stanford University)
Symmetry is evident in many forms from ancient architecture to classical art; however, not as obvious is the mathematical theory of symmetry behind modern applications, such as Rubik's Cube, the art of M.C. Escher, and the security of financial transactions on the Internet. These three topics are not as unrelated as they may initially seem to be. During the lecture, the mathematical ideas behind symmetry will be developed from scratch and illustrated with pictures and numerical examples.
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