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IP (complexity)

In computational complexity theory, the class IP (which stands for Interactive Polynomial time) is the class of problems solvable by an interactive proof system. The concept of an interactive proof system was first introduced by Shafi Goldwasser, Silvio Micali, and Charles Rackoff in 1985. An interactive proof system consists of two machines, a prover, P, which presents a proof that a given string n is a member of some language, and a verifier, V, that checks that the presented proof is correct. The prover is assumed to be infinite in computation and storage, while the verifier is a probabilistic polynomial-time machine with access to a random bit string whose length is polynomial on the size of n. These two machines exchange a polynomial number, p(n), of messages and once the interaction is completed, the verifier must decide whether or not n is in the language, with only a 1/3 chance of error. (So any language in BPP is in IP, since then the verifier could simply ignore the prover and make the decision on its own.)


Usage examples of "ip".

And in the main lobby an oil painting commemorated the Star Queen’s proudest moment: the attack on her by Pandik IPs warshIPs at Pacifica, while she was carrying supplies, technicians, and spare parts to the rebels.

Generally, TCP/IP applications use 4 layers: an application protocol such as mail, a protocol such as TCP that provides services need by many applications IP, which provides the basic service of getting datagrams to their destination the  protocols needed to manage a specific physical medium, such as Ethernet or a point to point line.

Even so, the Initial Point, called the IP, was too difficult for the unaided human eye to see.

Of course, being stupid ips, Siggy and the others had no idea what the technical readings actually said, but this was where the storm swept down upon them, losing both ips and company men in a whiteout.