Philip Scott

Jean-Yves Girard

Thomas Ehrhard

Paul Ruet

This book illustrates linear logic in the application of proof theory to computer science.

Linear Logic in Computer Science

In the last decade the performance of commodity assets has been remarkable. Rising demand for raw materials from emerging economies, political and economic disruptions to production and supply, and the introduction of commodities exchange traded funds (ETFs) have combined to push up the cost of the globe's resources. In many of the commodities markets prices rose to record levels, only to fall again sharply in the 2007-2009 financial crisis. But many experts believe that the bull-run in commodities is not yet finished and it is argued that prices could continue to rise well into the next decade. This presents opportunities for investors, but what is the best way to capitalise on these opportunities? The aim of this book is to help investors understand the fundamentals behind the major commodities in the primary resource sectors - energy, base metals, precious metals and agriculture - and to show the value of commodities as a means to diversify exposure and spread risk. The individual commodities within the four sectors are examined in turn, with an analysis of historic price performance, an outline of the supply and demand dynamics, and a discussion on the future outlook for each resource. In each case the best and safest routes for gaining exposure to the four main sectors are explained, and a full list of commodity ETFs listed on the London Stock Exchange is also provided. The book provides the investor with both the rationale for diversifying part of an investment portfolio into commodities and the basic knowledge required in order to invest successfully in these exciting and ever changing sectors.

A beginner's guide to diversifying your portfolio with commodities

The Commodities Investor

Bob Coecke

Claudia Casadio

Michael Moortgat

For more than 60 years, Jim Lambek has been a profoundly inspirational mathematician, with groundbreaking contributions to algebra, category theory, linguistics, theoretical physics, logic and proof theory. This Festschrift was put together on the occasion of his 90th birthday. The papers in it give a good picture of the multiple research areas where the impact of Jim Lambek's work can be felt. The volume includes contributions by prominent researchers and by their students, showing how Jim Lambek's ideas keep inspiring upcoming generations of scholars.

Essays dedicated to Jim Lambek on the Occasion of this 90th Birthday

Categories and Types in Logic, Language, and Physics

Eduardo Mortimer

This book focuses on the talk of science classrooms and in particular on the ways in which the different kinds of interactions between teachers and students contribute to meaning making and learning. Central to the text is a new analytical framework for characterising the key features of the talk of school science classrooms. This framework is based on sociocultural principles and links the work of theorists such as Vygotsky and Bakhtin to the day-to-day interactions of contemporary science classrooms. *presents a framework, based on sociocultural theory, for analysing the language of teaching and learning interactions in science classrooms *provides detailed examples and illustrations of insights gained from applying the framework to real science lessons in Brazil and the UK. *demonstrates how these ways of thinking about classroom talk can be drawn upon to inform the professional development of science teachers. *offers an innovative research methodology, based on sociocultural theory, for analysing classroom talk. *expands upon the ways in which sociocultural theory has been systematically applied to analysing classroom contexts. This book offers a powerful set of tools for thinking and talking about the day-to-day practices of contemporary science classrooms. It contains messages of fundamental importance and insight for all of those who are interested in reflecting on the interactions of science teaching and learning, whether in the context of teaching, higher degree study, or research.

Philip Scott

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