This site uses cookies to deliver our services and to ensure you get the best experience. By continuing to use this site, you consent to our use of cookies and acknowledge that you have read and understand our Privacy Policy, Cookie Policy, and Terms
The existence question for the family of 4-(15, 5, ) designs has long been answered for all values of except = 2. Here, we resolve this last undecided case and prove that 4-(15, 5, 2) designs are constructible.
Ziba Eslami, Gholamreza B. Khosrovshahi, M. Mohamm