Results 281 to 290 of about 911,522 (334)

Quadratic Social Welfare Functions

Journal of Political Economy, 1992
John Harsanyi has provided an intriguing argument that social welfare can be expressed as a weighted sum of individual utilities. His theorem has been criticized on the grounds that a central axiom, that social preference satisfies the independence axiom, has the morally unacceptable implication that the process of choice and considerations of ex ante ...
Epstein, Larry G, Segal, Uzi
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On quadratic Dehn functions

Mathematische Zeitschrift, 2004
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Leuzinger, E., Pittet, Ch.
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Functional quadratic regression

Biometrika, 2010
SUMMARY We extend the common linear functional regression model to the case where the dependency of a scalar response on a functional predictor is of polynomial rather than linear nature. Focusing on the quadratic case, we demonstrate the usefulness of the polynomial functional regression model, which encompasses linear functional regression as a ...
Fang Yao, Hans-Georg Müller
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DEFINITENESS OF QUADRATIC FUNCTIONALS

Analysis, 2003
This paper deals with the nonnegativity (\({\mathcal F}_0\geq0\)) and positivity (\({\mathcal F}_0>0\)) of the (second variation) quadratic functional of the form \[ {\mathcal F}_0(x,u) := \int_a^b \{ x^TC\,x+u^TB\,u\}(t)\,dt \] subject to admissible pairs \((x,u)\), i.e., \(\dot x(t)=A(t)\,x(t)+B(t)\,u(t)\) for \(t\in[a,b]\), and separated boundary ...
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The quadratic function and quadratic equations

1985
The function f(x), where f(x) = ax2 + bx + c, and a, b, c are constants, a ≠ 0, is called a quadratic function, or sometimes a quadratic polynomial. From elementary algebra $${(x + d)^2} \equiv {x^2} + 2dx + {d^2}.$$ Using this, we write $$a{x^2} + bx + c \equiv a\left( {{x^2} + \frac{b}{a}x + \frac{c}{a}} \right) \equiv a\left[ {{{\left( {x
J. E. Hebborn, C. Plumpton
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Quadratic Operators and Quadratic Functional Equation

2012
In the first part of this paper, we consider some quadratic difference operators (e.g., Lobaczewski difference operators) and quadratic-linear difference operators (d’Alembert difference operators and quadratic difference operators) in some special function spaces X λ . We present results about boundedness and find the norms of such operators.
M. Adam, S. Czerwik
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Set-Valued Quadratic Functional Equations

Results in Mathematics, 2017
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Lee, Jung Rye, Park, Choonkil, Shin, Dong Yun, Yun, Sungsik   +3 more
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Quadratic structure functions and scintillation

Applied Optics, 1985
The quadratic structure function (QSF) approximation by itself does not imply a tilt-only medium in which log-amplitude fluctuations are absent. When the QSF is applied to the fourth-order coherence function, the signal variance has contributions from log-amplitude fluctuations and beam wander but not beam spreading.
M A, Plonus, S J, Wang
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Cryptography in Quadratic Function Fields

Designs, Codes and Cryptography, 2001
The paper considers the discrete logarithm problem in quadratic function fields of odd characteristic. In the imaginary representation of such a field, this is the discrete logarithm problem in the ideal class group of the field, or equivalently, in the Jacobian of the curve defining the function field.
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