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iDEAL is an e-commerce payment system used for online banking in the Netherlands. Previously controlled by the Dutch e-commerce organization Currence since 2006, the company became owned by the European Payments Initiative (EPI) from October 2023. [1] It is an online payment method that enables consumers to pay online through their own bank.
A right ideal is defined similarly, with the condition replaced by . A two-sided ideal is a left ideal that is also a right ideal. If the ring is commutative, the three definitions are the same, and one talks simply of an ideal. In the non-commutative case, "ideal" is often used instead of "two-sided ideal".
Ideal (ethics) An ideal is a principle or value that one actively pursues as a goal, usually in the context of ethics, and one's prioritization of ideals can serve to indicate the extent of one's dedication to each. The belief in ideals is called ethical idealism, and the history of ethical idealism includes a variety of philosophers. [1]
In ring theory, a branch of mathematics, the radical of an ideal of a commutative ring is another ideal defined by the property that an element is in the radical if and only if some power of is in . Taking the radical of an ideal is called radicalization. A radical ideal (or semiprime ideal) is an ideal that is equal to its radical.
Ideal number. In number theory an ideal number is an algebraic integer which represents an ideal in the ring of integers of a number field; the idea was developed by Ernst Kummer, and led to Richard Dedekind 's definition of ideals for rings. An ideal in the ring of integers of an algebraic number field is principal if it consists of multiples ...
of all polynomials with integer coefficients, the ideal generated by 2 and X is a prime ideal. The ideal consists of all polynomials constructed by taking 2 times an element of. Z [ X ] {\displaystyle \mathbb {Z} [X]} and adding it to X times another polynomial in. Z [ X ] {\displaystyle \mathbb {Z} [X]}
Ideal (set theory) In the mathematical field of set theory, an ideal is a partially ordered collection of sets that are considered to be "small" or "negligible". Every subset of an element of the ideal must also be in the ideal (this codifies the idea that an ideal is a notion of smallness), and the union of any two elements of the ideal must ...
Two to three times per week, eat seafood. Most people know that the heart-healthy omega-3 fats and protein in fish are ideal additions to meals, Karadsheh said.. However, she noted “the biggest ...