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Intractable may refer to: Intractable conflict, a form of complex, severe, and enduring conflict; Intractable pain, pain which cannot be controlled/cured by any known treatment; Intractable problem, in computational complexity theory
Adding one more piece to a chess ending (thus making an 8-piece tablebase) is considered intractable due to the added combinatorial complexity. [ 6 ] [ 7 ] Furthermore, the prospect of solving larger chess-like games becomes more difficult as the board-size is increased, such as in large chess variants , and infinite chess .
Intractable pain, also called intractable pain syndrome (IPS), is a severe, constant, relentless, and debilitating pain that is not curable by any known means and which causes a house-bound or bed-bound state and early death if not adequately treated, usually with opioids and/or interventional procedures. It is not relieved by ordinary medical ...
Drug-resistant epilepsy (DRE), also known as refractory epilepsy, intractable epilepsy, or pharmacoresistant epilepsy refers to a state in which an individual with a diagnosis of epilepsy is unresponsive to multiple first line therapies.
Graphs occur frequently in everyday applications. Examples include biological or social networks, which contain hundreds, thousands and even billions of nodes in some cases (e.g. Facebook or LinkedIn).
In computational complexity theory, Karp's 21 NP-complete problems are a set of computational problems which are NP-complete.In his 1972 paper, "Reducibility Among Combinatorial Problems", [1] Richard Karp used Stephen Cook's 1971 theorem that the boolean satisfiability problem is NP-complete [2] (also called the Cook-Levin theorem) to show that there is a polynomial time many-one reduction ...
The W hierarchy is a collection of computational complexity classes. A parameterized problem is in the class W[i], if every instance (,) can be transformed (in fpt-time) to a combinatorial circuit that has weft at most i, such that (,) if and only if there is a satisfying assignment to the inputs that assigns 1 to exactly k inputs.
Occipital epilepsy is a neurological disorder that arises from excessive neural activity in the occipital lobe of the brain that may or may not be symptomatic. Occipital lobe epilepsy is fairly rare, and may sometimes be misdiagnosed as migraine when symptomatic.