Tabla de Contenidos: “…Around the Center-Focus Problem -- Centers and Limit Cycles -- Darboux Integrability -- Liouvillian Integrability -- Symmetry -- Cherkas’ Systems -- Monodromy -- The Tangential Center-Focus Problem -- Monodromy of Hyperelliptic Abelian Integrals -- Holonomy and the Lotka-Volterra System -- Other Approaches -- Abelian Integrals and Applications to the Weak Hilbert’s 16th Problem -- Hilbert’s 16th Problem and Its Weak Form -- Abelian Integrals and Limit Cycles -- Estimate of the Number of Zeros of Abelian Integrals -- A Unified Proof of the Weak Hilbert’s 16th Problem for n=2…”

Tabla de Contenidos: “…Contents: 1 Introduction to the legal limits of direct democracy / Daniel Moeckli -- Part I: The venice commission's code of good practice on referendums -- 2. …”

“…Les limites à la viabilité de la dette publique…”

“…Possibilities and limitations of combined transport…”

“…Experimenting in the urban peripheries of Florence, the fringe landscape project is not aimed at the reconstruction of ideal city limits, but is a container for examples of rebalance, connotation and regeneration proper to the border areas, which feature an indeterminacy of identifying characteristics and a marked reduction in landscape quality…”