Proceedings will be published by AIP (American Institute of Physics) with perpetual Open Access on the web site http://aip.scitation.org/journal/apc . The American Institute of Physics (AIP) Conference Series is a reputable series of Proceedings indexed in the major citation indexes: ISI, SCOPUS, EI Compendex, Inspec (IET) , MathSciNet, Scirus, Google Scholar etc....
Should you want only to present a lecture without publication, then you can upload an Abstract. (Abstracts are not published; They are subject to peer review though).
The Format of each Paper must be the AIP Format: Authors can be download it from here: http://aip.scitation.org/apc/authors/preppapers
Extended versions will be considered for publication in various well-known indexed journals.