Ivo Sachs - Homotopy algebras in string field theory - YouTube
Ivo Sachs - "Lyrik"
Algebraic Structure of String Field Theory | SpringerLink
Amazon.com: Algebraic Structure of String Field Theory (Lecture Notes in Physics): 9783030530549: Doubek, Martin, Jurčo, Branislav, Markl, Martin, Sachs, Ivo: Books
Video: Ivo Sachs, Harvard & KITP
Portland Business Alliance on Twitter: "A big thank you to Chris Warner of @PBOTinfo, Jay Clark with Polity Group, Jef Green of C&E Systems, Sonia Schmanski, chief of staff for @CommishFish, and
Ivo SACHS - Space Time Actions from The World Line - YouTube