Porcelain by Edward Marshall Boehm

Discriminating Lambda-Terms Using Clocked Boehm Trees

As observed by Intrigila [16], there are hardly techniques available in the λ-calculus to prove that two λ-terms are not β-convertible. Techniques employing the usual Böhm Trees are inadequate when we deal with terms having the same Böhm Tree (BT). This is the case in particular for fixed point combinators, as they all have the same BT. Another interesting equation, whose consideration was sugg...

Edward.

Justin Marshall

Justin Marshall is Professor of Neurobiology and Marine Biology at the University of Queensland in Australia within The Queensland Brain Institute. He can be labelled a visual ecologist as he studies comparative eye design and how this is guided by the physics of light. He has co-written a book called “Visual Ecology”, co-edited a book called “Sensory Processing in Aquatic Environments”, is co-...

“ Ethics Are Relative ” by Edward Westermarck

Edward Westermarck (1862-1939) taught sociology and moral philosophy at the University of Helsinki; later, he taught sociology at the University of London. He initially sought graduate work in moral philosophy but quickly concluded that normative ethics must be based on empirical behavior and so turned to field work. As a pioneer in anthropological field work, he championed a comparative method...

Peter Marshall

This paper outlines and analyses the behaviours of small and medium enterprises with respect to the evaluation of electronic commerce investments, and the subsequent realisation of the anticipated benefits from those investments. The responses of executives who participated in the study suggested that on-going involvement in electronic commerce did not come cheaply. Nonetheless, our study sugge...