27th Conference of the International Linear Algebra Society (ILAS 2026)

Order automorphisms of effect algebras

May 18, 2026, 2:50 PM

25m

Goodwin Hall 155

Contributed Talk Contributed Talks Contributed Talks

Speaker

Peter Semrl (Institute of Mathematics, Physics, and Mechanics, Ljubljana, Slovenia)

Description

The general form of order automorphisms of effect algebras has been known in the complex case. We present a much simpler proof based on projective geometry which works also in the real case.