First-order phase transitions Simple++ 2 Critical temperatures 1 Degrees of freedom (mechanics) 1 Dual model 1 Economic and social effects 1 Field theory 1 Gravitational effects 1 Gravitational-wave signals 1 Gravitational-waves 1 Gravity waves 1 Heterogeneous networks 1 Number of degrees of freedom 1 Quasi equilibrium 1 Real networks 1 Social benefits 1 Strauss's model 1 Strong-coupling 1 Structural balance 1