Key points “Boundary Functions” by T. J. Kaczynski
https://www.ams.org/journals/tran/1969-141-00/S0002-9947-1969-0243078-8/S0002-9947-1969-0243078-8.pdf The paper titled “Boundary Functions” by T. J. Kaczynski delves into the intricate details of constructing special…