A New Class of Circulant Chaotic Systems with Unidirectional or Mutual Coupling: Theoretical Investigation and Arduino-Based Electronic Implementation. - Senthilkumar Sidharthan; Balamurali Ramakrishnan; Jacques Kengne; Anitha Karthikeyan; Jean Chamberlain Chedjou (Int. J. Bifurc. Chaos, 2024)