Exploring the role of inhibitory coupling in duplex networks
Yang Cui-Yun1, 2, Tang Guo-Ning1, †, Liu Hai-Ying2
       

Patterns of spiral waves for d = 1 (a), 3.5 (b), and 3.8 (c), with parameters m = 1 and ε = 0.01. The gray level is proportional to u variable.