continuous spectrum
121Selberg trace formula — In mathematics, the Selberg trace formula is a central result, or area of research, in non commutative harmonic analysis. It provides an expression for the trace, in a sense suitably generalising that of the trace of a matrix, for suitable… …
122Hydrargyrum medium-arc iodide lamp — Hydrargyrum medium arc iodide, or HMI, is a mercury halide gas discharge medium arc length lamp with a multi line spectra emission. The name implies that hydrargyrum, an archaic term for Mercury (Hg), is held as a vapour mixed with other rare… …
123Bispectrum — In mathematics, in the area of statistical analysis, the bispectrum is a statistic used to search for nonlinear interactions. The Fourier transform of the second order cumulant, i.e., the autocorrelation function, is the traditional power… …
124chromosphere — chromospheric /kroh meuh sfer ik, sfear /, adj. /kroh meuh sfear /, n. Astron. 1. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted. 2. a gaseous… …
125eye disease — Introduction any of the diseases or disorders that affect the human eye (eye, human). This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …
126absorption line — noun : a dark line in the absorption spectrum of a gas or a vapor * * * absorption line, a dark line in a continuous spectrum of white light caused by the natural or artificial absorption of the wavelengths of light radiating from the atoms of a… …
127Rigged Hilbert space — In mathematics, a rigged Hilbert space (Gelfand triple, nested Hilbert space, equipped Hilbert space) is a construction designed to link the distribution and square integrable aspects of functional analysis. Such spaces were introduced to study… …
128Wolfgang Pauli — Infobox Scientist name = Wolfgang Pauli caption = Wolfgang Ernst Pauli (1900 1958) birth date = Birth date|1900|4|25|df=yes birth place = Vienna, Austria Hungary death date = Death date and age|1958|12|15|1900|4|25|df=yes death place = Zurich,… …
