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  2. P versus NP problem - Wikipedia

    en.wikipedia.org/wiki/P_versus_NP_problem

    The P versus NP problem is a major unsolved problem in theoretical computer science. Informally, it asks whether every problem whose solution can be quickly verified can also be quickly solved. Here, quickly means an algorithm that solves the task and runs in polynomial time exists, meaning the task completion time varies as a polynomial ...

  3. Zero-knowledge proof - Wikipedia

    en.wikipedia.org/wiki/Zero-knowledge_proof

    Zero-knowledge proof. In cryptography, a zero-knowledge proof or zero-knowledge protocol is a method by which one party (the prover) can prove to another party (the verifier) that some given statement is true, while avoiding conveying to the verifier any information beyond the mere fact of that statement's truth. [1]

  4. RSA problem - Wikipedia

    en.wikipedia.org/wiki/RSA_problem

    RSA problem. In cryptography, the RSA problem summarizes the task of performing an RSA private-key operation given only the public key. The RSA algorithm raises a message to an exponent, modulo a composite number N whose factors are not known. Thus, the task can be neatly described as finding the eth roots of an arbitrary number, modulo N.

  5. Internet exchange point - Wikipedia

    en.wikipedia.org/wiki/Internet_exchange_point

    Internet exchange points began as Network Access Points or NAPs, a key component of Al Gore 's National Information Infrastructure (NII) plan, which defined the transition from the US Government-paid-for NSFNET era (when Internet access was government sponsored and commercial traffic was prohibited) to the commercial Internet of today.

  6. GPRS core network - Wikipedia

    en.wikipedia.org/wiki/GPRS_core_network

    An access point is: An IP network to which a mobile set can be connected; A set of settings that are used for that connection; A particular option in a set of settings in a mobile phone; When a GPRS mobile phone sets up a PDP context, the access point is selected. At this point an Access Point Name (APN) is determined

  7. Cook–Levin theorem - Wikipedia

    en.wikipedia.org/wiki/Cook–Levin_theorem

    In computational complexity theory, the Cook–Levin theorem, also known as Cook's theorem, states that the Boolean satisfiability problem is NP-complete. That is, it is in NP, and any problem in NP can be reduced in polynomial time by a deterministic Turing machine to the Boolean satisfiability problem. The theorem is named after Stephen Cook ...

  8. List of NP-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_NP-complete_problems

    The problem for graphs is NP-complete if the edge lengths are assumed integers. The problem for points on the plane is NP-complete with the discretized Euclidean metric and rectilinear metric. The problem is known to be NP-hard with the (non-discretized) Euclidean metric. [3] : . ND22, ND23. Vehicle routing problem.

  9. Public safety answering point - Wikipedia

    en.wikipedia.org/wiki/Public_safety_answering_point

    A public-safety answering point ( PSAP ), sometimes called a public-safety access point, is a type of call center where the public's telephone calls for first responders (such as police, fire department, or emergency medical services / ambulance) are received and handled. It takes calls from any landline, mobile phone line, or VoIP (Voice over ...