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- Karl-Göran Mäler, Abdus Salam, +25 authors Anastasios Xepapadeas
- 2004

We survey those recent developments in environmental and resource economics that have been prompted by a puzzling cultural phenomenon, where one group (usually natural scientists) sees in humanity's current use of Nature's services symptoms of a deep malaise, even while another group (usually economists) documents the fact that people today are on average… (More)

This chapter is devoted to applying the mathematical theory of groups and representations which we have developed in the preceding chapters to the quantum mechanical description of physical systems. The power of applying group theory to quantum mechanics is that it provides a framework for making exact statements about a physical system with a knowledge… (More)

- Jogesh C Pati, Abdus Salam
- 2011

Universal strong, weak, and electromagnetic i~teractions of leptons and hadrons are generated by gauging a non-Abelian renormalizable anomaly-free subgroup of the fundamental symmetry structure SU(4)& x SU(4)& x SU(4'), which unites three quartets of "colored" baryonic quarks and the quartet of known leptons into 16-folds of chiral fermionic multiplets,… (More)

Absorbing phase transitions (APT) are a category of critical nonequilibrium phase transitions, widespread in condensed matter physics and population and epidemics modeling [1]. Directed percolation (DP) [1] has been recognized as the paradigmatic example of a system exhibiting a transition from an active to a unique absorbing phase. DP defines a precise… (More)

- A Salam
- Science
- 1980

- Maria Berrittella, Andrea Bigano, Roberto Roson, Richard S.J. Tol, Abdus Salam
- 2004

a Abdus Salam International Centre for Theoretical Physics, EEE Programme, Trieste, Italy b Fondazione Eni Enrico Mattei, Italy c Department of Economics, Unviersità Ca’ Foscari di Venezia, Venice, Italy d Centre for Marine and Climate Research, Hambirg University, Hamburg, Germany e Institute for Environmental Studies, Vrije Universiteit, Amsterdam, The… (More)

- Francesco Bosello, Marco Lazzarin, Roberto Roson, Richard S.J. Tol, Eni Enrico Mattei, Abdus Salam
- 2004

The economy-wide implications of sea level rise in 2050 are estimated using a static computable general equilibrium model. Overall, general equilibrium effects increase the costs of sea level rise, but not necessarily in every sector or region. In the absence of coastal protection, economies that rely most on agriculture are hit hardest. Although energy is… (More)

- Abdus Salam, Derek Capper
- 1993

In 1973 two Salam protégés (Derek Capper and the author) discovered that the conformal invariance under Weyl rescalings of the metric tensor gμν(x) → Ω(x)gμν(x) displayed by classical massless field systems in interaction with gravity no longer survives in the quantum theory. Since then these Weyl anomalies have found a variety of applications in black hole… (More)

- Laura Andrianopoli, Riccardo D’Auria, Sergio Ferrara, ABDUS SALAM
- 1996

A geometric formulation which describes extended supergravities in any dimension in presence of electric and magnetic sources is presented. In this framework the underlying duality symmetries of the theories are manifest. Particular emphasis is given to the construction of central and matter charges and to the symplectic structure of all D = 4, N–extended… (More)

The paper proposes a model to study the conditions under which complex networks emerge (or not) when agents are involved in a dynamic coordination setup. In contrast with existing literature, however, our main focus is not on the entailed issue of equilibrium selection. Instead, our aim is to shed light on how agentse¤orts to coordinate a¤ect the process… (More)