#  Seminar: Man-Duen Choi (University of Toronto): "My Adventures in Quantumland" 

 



####  calendar\_today Date and Time 

 **September 19, 2023** 

 09:30AM - 09:30AM EDT 

####  pin\_drop Location 

 **Jefferson 453 and Zoom**  



 

 



 

   ![Man-Duen Choi](/sites/g/files/omnuum6611/files/styles/hwp_1_1__720x720_scale/public/mathpicture/files/choi2.jpg?itok=Ab1sOqu4) 

 

  
Zoom link: <https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09>  
Speaker: Man-Duen Choi (University of Toronto)  
Title: **My Adventures in Quantumland**  
Abstract: This is an expository talk about the mathematical picture language of quantum channels. In 1970, I started off my adventure in the mathematical wonderland of completely positive linear maps. Now, I am fully awakened to the new era of quantum computers, with all sorts of information processes in the setting of non-commutative analysis. As the time runs backwards in an alternating world through the looking glass, I have to come back to the same old scene to release myself from quantum entanglements. In particular, I shall give a MODERN report in FUTURE perspective, on my 1975 paper (Completely positive linear maps on complex matrices, Linear Algebra Appl. 10 (1975), pp. 285-290) which has been cited in about 2000 recent research articles.

 

 



 

 

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