University-hosted author curriculum. Professional biography: electrical-engineering education, MIT1968PhD, Groningen systems-and-control professorship from1973, dissipativity and behavioral-system contributions, emeritus status in2003and subsequent KU Leuven guest professorship. Records death31August2013. The university homepage homes.esat.kuleuven.be/~sistawww/smc/jwillems/ directly links portrait homes.esat.kuleuven.be/~sistawww/smc/jwillems/Photos/photo1.jpg .
Archive for Rational Mechanics and Analysis45,321–351(1972), Part I: General Theory. General storage/supply dissipation inequality and the available-storage construction as recoverable net supply; the paper also discusses power-neutral interconnections. Primary author publication list: homes.esat.kuleuven.be/~sistawww/smc/jwillems/Publications.html . The author's university homepage and curriculum identify Jan C.Willems.
IEEE Control Systems Magazine27(6),46–99, December2007. DOI10.1109/MCS.2007.906923. Title-page byline Jan C. Willems. Printed pp46–49 introduce relations, shared-variable interconnection and modeling by tearing, zooming and linking; the section What Is a Dynamical System? defines time axis, signal space and behavior.