Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Buddhism in Slovakia Slovakia. Buddhism in Slovakia Buddhism is not officially recognized as a religion in Slovakia. The 2001 census findings included Buddhism under "other religions," so the total number of Buddhists is not known. Various Buddhist schools, including all three traditional vehicles (Theravada, Mahayana and Vajrayana), are active as either informal groups or civil associations. Theravada is represented by groups of vipassana practitioners. Several Zen schools, including disciples of Sando Kaisen and the Korean Kwan Um School, represent the Mahayana. Vajrayana schools include Nyingma practitioners following Namkai Norbu Rinpoche. The Diamond Way organisation founded and directed by Ole Nydahl is also active