{"version":"1.0","type":"link","title":"Lothar Collatz - Newikis","description":"Lothar Collatz (German: [ˈkɔlaʦ]; 6 July, 1910 – 26 September 1990) was a German mathematician. He was born in Arnsberg, Westphalia. The \"3x + 1\" problem also known as the Collatz conjecture was named after him, and is still not solved. The Collatz–Wielandt formula for the Perron–Frobenius theorem…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/7/75/Lothar_Collatz.jpg","thumbnail_width":305,"thumbnail_height":400}