Logic synthesis has two stages of optimization: technologyindependent and technology-dependent. This paper surveys state-of-the-art methods for estimation and optimization of delays of logic circuits at technology-independent stage. Although at this stage we cannot completely predict nal delays after technology mapping, there exist reasonably accurate estimation techniques. Final delays can be ...

Environmental issues are an important aspect of party competition and voters’ political preferences. Yet behaviour research often considers environmental attitudes as a component broader ‘second-dimension’ either subsumes it into this or omits it. Using data from the fifth wave European Values Study, we demonstrate through factor analysis that environmentalism loads separate dimension across We...