Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
Buddhism in the West Rosen Takashina Roshi. In the 90s, there was an a rise in interest in Tibetan Buddhism, and other forms of Asian Buddhism such as Thai, Chinese, Korean and Vietnamese traditions are also present in the country. The first Brazilian Tibetan Buddhist center, the Tarthang Tulku Nyingma Center, was founded in 1988 in São Paulo. In other Latin American countries such as Argentina and Peru, there was also the introduction of Buddhism through immigration and conversion, though populations remain small (20,000 in Argentina in 2012). Japanese Zen and Tibetan Buddhism has been especially influential in these countries in the post-war 20th