i recently heard that there was a conference on Birch and Swinnerton dyer conjecture Held at Cambridge on May 4 until May 6,
the main theme is "The conference marks the 50th anniversary of the Birch-Swinnerton-Dyer Conjecture and aims both to explain the state of our knowledge and to reflect on the modern approaches to the conjecture and related problems."


but unfortunately i cant find any video archives about the conference in any of the google searches ,but i found some pdf files,and photos which are not informative in the conference site of MR.Tim Dokchitser,


so can anyone give a reference to the video archive site of that conference ,or does the video archive exists???


i forward this question to Mr.William Stein,and Tim dokchitser,who were the key persons in organizing ,if they are successful in giving me the appropriate links of video archive i would be much thankful


thanks a lot everyone,touch your feet for your help



Where Can i find the lecture Videos of BSD 2011
it seems that the lectures were not recorded (there are only photos on the conference website); 
so there is no point in searching for the videos.


However, there are a few video excerpts available from Professor Stein's channel..small consolation. 


(1) [bsd1](http://www.youtube.com/watch?v=Vo9yWAhBxAs) 


(2) [bsd2](http://www.youtube.com/watch?v=IIN2__t5Bsk) 


(3) [bsd3](http://www.youtube.com/watch?v=YcMgwfsP0u0)


