tractability
41Lamborghini Countach — Manufacturer Lamborghini Production 1974–1990 (2,042 produced) Assembly Sant Agata Bolo …
42Structural information theory — (SIT) is a theory about human perception and, in particular, about perceptual organization, that is, about the way the human visual system organizes a raw visual stimulus into objects and object parts. SIT was initiated, in the 1960s, by Emanuel… …
43Sedative — A sedative, or, more specifically, a sedative hypnotic, is a substance that depresses the central nervous system (CNS),cite web |url=http://www.mercksource.com/pp/us/cns/cns hl dorlands split.jsp?pg=/ppdocs/us/common/dorlands/dorland/seven/0000955… …
44Parameterized complexity — In computer science, parameterized complexity is a measure of complexity of problems with multiple input parameters. The theory of parameterized complexity was developed in the 1990s by Rod Downey and Michael Fellows. Their 1999… …
45Mechanism design — The Stanley Reiter diagram above illustrates a game of mechanism design. The upper left space Θ depicts the type space and the upper right space X the space of outcomes. The social choice function f(θ) maps a type profile to an outcome. In games… …
46Expected utility hypothesis — In economics, game theory, and decision theory the expected utility hypothesis is a theory of utility in which betting preferences of people with regard to uncertain outcomes (gambles) are represented by a function of the payouts (whether in… …
47Hybrid logic — refers to a number of extensions to propositional modal logic with more expressive power, though still less than first order logic. In formal logic, there is a trade off between expressiveness and computational tractability (how easy it is to… …
48Diazotroph — Diazotrophs are bacteria and archaea that fix atmospheric nitrogen gas into a more usable form such as ammonia.[1] A diazotroph is an organism that is able to grow without external sources of fixed nitrogen. Examples of organisms that do this are …
49Hyperbolic discounting — In behavioral economics, hyperbolic discounting refers to the empirical finding that people generally prefer smaller, sooner payoffs to larger, later payoffs when the smaller payoffs would be imminent; but when the same payoffs are distant in… …
50Analytic signal — Not to be confused with Analytic function. In mathematics and signal processing, the analytic representation of a real valued function or signal facilitates many mathematical manipulations of the signal. The basic idea is that the negative… …
