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In mathematics, Choi's theorem on completely positive maps is a result that classifies completely positive maps between finite-dimensional (matrix) C*-algebras. An infinite-dimensional algebraic generalization of Choi's theorem is known as Belavkin 's "Radon–Nikodym" theorem for completely positive maps.
Tiến lên ( Vietnamese: tiến lên, tiến: advance; lên: to go up, up; literally: "go forward"; also Romanized Tien Len) is a shedding -type card game originating in Vietnam. [ 1] It may be considered Vietnam's national card game, and is also played in the United States, sometimes under the names Viet Cong, [ 2] VC, [ 2] Thirteen, [ 2 ...
Monty Hall problem. In search of a new car, the player chooses a door, say 1. The game host then opens one of the other doors, say 3, to reveal a goat and offers to let the player switch from door 1 to door 2. The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let ...
Arlington, Virginia-based writer, editor, and podcaster Dan Kois told me that letting his kids take the lead on their one-on-one itineraries has led to some epic adventures. In 2019, he handed his ...
The Phi Phi Islands ( Thai: หมู่เกาะพีพี, RTGS : Mu Ko Phiphi, pronounced [mùː kɔ̀ʔ pʰīː.pʰīː]) are an island group in Thailand between the large island of Phuket and the Straits of Malacca coast of Thailand. The islands are administratively part of Krabi Province. Ko Phi Phi Don ( Thai: เกาะ ...
July 1, 2024 at 10:49 AM. By Foo Yun Chee. BRUSSELS (Reuters) -Nvidia is set to be charged by the French antitrust regulator for allegedly anti-competitive practices, people with direct knowledge ...
In number theory, Euler's totient function counts the positive integers up to a given integer n that are relatively prime to n. It is written using the Greek letter phi as or , and may also be called Euler's phi function. In other words, it is the number of integers k in the range 1 ≤ k ≤ n for which the greatest common divisor gcd (n, k ...
Thứ phi Hoàng Phi Yến. Imperial Concubine Phi Yến ( Vietnamese: Thứ phi Hoàng Phi Yến ), born Lê Thị Răm ( Hán-Nôm: 黎氏菻), is a controversial local legend of the Côn Đảo archipelago, Bà Rịa–Vũng Tàu province. [1] According to the legend she was the concubine of Lord Nguyễn Phúc Ánh and gave birth to a son ...