Browse

This study explores the evolution of musical improvisation and variation across European musical history, analyzing stylistic, aesthetic, and methodological dimensions from Antiquity to the 20th century. Improvisation, as an integral aspect of musical creation, has its origins in the Hellenic modal system and Pythagorean numerical theories, which influenced liturgical music in both the Eastern and Western traditions. The research examines developments during the Medieval period, including the emergence of polyphon...

In the last 40 years, damage to natural disasters has registered a 14-fold increase. Since 1990, losses from natural disasters have exceeded 700 billion USD, and 70% of global economic losses are still uninsured. The existence of such large deficits proves that market mechanisms have not been very effective, and if this trend continues, it is estimated that around 2065 the world will spend all the economic growth accumulated with the response to these disasters. Financial resilience, especially in the case of deve...