Theory X and Theory Y are theories of human work motivation and management. They were created by Douglas McGregor while he was working at the MIT Sloan...

In linguistics, X-bar theory is a model of phrase structure and a theory of syntactic category formation that proposes a universal schema for how phrases...

prospect theory, π {\displaystyle \pi } is never linear. In the case that x > y > 0 {\displaystyle x>y>0} , p > p ′ {\displaystyle p>p'} and p + q = p...

Self-Actualization Theory Maslow's hierarchy of needs Two-factor theory Theory X and theory Y Oliver, R. (1974). "Expectancy Theory Predictions of Salesmen's...

spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader theory of the...

-action on C [ x , y ] {\displaystyle \mathbb {C} [x,y]} sending x ↦ − x y ↦ − y {\displaystyle {\begin{aligned}x\mapsto -x&&y\mapsto -y\end{aligned}}}...

x 3 + y 4 + a x y 2 + b x y + c x + d y + e y 2 {\displaystyle V=x^{3}+y^{4}+axy^{2}+bxy+cx+dy+ey^{2}} E7 E8 There are objects in singularity theory which...

{Y}}}p_{X,Y}(x,y)\log {\frac {p_{X,Y}(x,y)}{p_{Y}(y)}},} where p X , Y ( x , y ) := P [ X = x , Y = y ] {\displaystyle p_{X,Y}(x,y):=\mathbb {P} [X=x,Y=y]}...

F X 1 , X 2 , X 3 ( x 1 , x 2 , x 3 ) = F X 1 ( x 1 ) ⋅ F X 2 ( x 2 ) ⋅ F X 3 ( x 3 ) {\displaystyle F_{X_{1},X_{2},X_{3}}(x_{1},x_{2},x_{3})=F_{X_{1}}(x_{1})\cdot...

with c different colours, then there must be a pair of integers x, y such that x, y, and x+y are all the same colour. Many generalizations of this theorem...

) y = − λ w ( x ) y {\displaystyle {\frac {\mathrm {d} }{\mathrm {d} x}}\left[p(x){\frac {\mathrm {d} y}{\mathrm {d} x}}\right]+q(x)y=-\lambda w(x)y} for...

x^{**}=(x^{*})^{*}=x} For all x, y in A: ( x + y ) ∗ = x ∗ + y ∗ {\displaystyle (x+y)^{*}=x^{*}+y^{*}} ( x y ) ∗ = y ∗ x ∗ {\displaystyle (xy)^{*}=y^{*}x^{*}}...

For two elements x and y, one also writes x ∨ y {\displaystyle x\vee y} and x ∧ y {\displaystyle x\wedge y} for sup({x,y}) and inf({x,y}), respectively...

Explicitly, X ∧ Y {\displaystyle X\wedge Y} is the quotient of X × Y {\displaystyle X\times Y} by the wedge sum X ∨ Y {\displaystyle X\vee Y} . Let I denote...

Detection theory or signal detection theory is a means to measure the ability to differentiate between information-bearing patterns (called stimulus in...

paradox (let y = { x : x ∉ x } {\displaystyle y=\{x:x\notin x\}} then y ∈ y ⇔ y ∉ y {\displaystyle y\in y\Leftrightarrow y\notin y} ) and its variants...

Y n | ) < ∞ {\displaystyle \mathbf {E} (\vert Y_{n}\vert )<\infty } E ( Y n + 1 ∣ X 1 , … , X n ) = Y n . {\displaystyle \mathbf {E} (Y_{n+1}\mid X_{1}...

Category theory is a general theory of mathematical structures and their relations. It was introduced by Samuel Eilenberg and Saunders Mac Lane in the...

that x ⊑ d . {\displaystyle x\sqsubseteq d.} Then one also says that x approximates y and writes x ≪ y . {\displaystyle x\ll y.} This does imply that x ⊑...

in the system x ˙ = μ x + y − x 2 {\displaystyle {\dot {x}}=\mu x+y-x^{2}} and y ˙ = − x + μ y + 2 x 2 {\displaystyle {\dot {y}}=-x+\mu y+2x^{2}} , when...

\Omega _{X}|_{Y}\to C_{Y/X}\to 0} where C Y / X {\displaystyle C_{Y/X}} is the conormal bundle of Y {\displaystyle Y} in X {\displaystyle X} . If we have...

at (0, 0) of the curve y 2 = x 2 + x 3 {\displaystyle y^{2}=x^{2}+x^{3}} and the cusp there of y 2 = x 3   {\displaystyle y^{2}=x^{3}\ } are qualitatively...

{d} ^{4}y\ j_{\mu }^{a}(x)\ D^{ab\mu \nu }(x-y)\ j_{\nu }^{b}(y)\right)\ } being the generating functional of the free theory. Expanding in g and computing...

Theory Z is a name for various theories of human motivation built on Douglas McGregor's Theory X and Theory Y. Theories X, Y and various versions of Z...

every x in I and y in P, y ≤ x implies that y is in I  (I is a lower set), for every x, y in I, there is some element z in I, such that x ≤ z and y ≤ z...

|W_{i}|<\infty .\,} Then the random variable Y t = ∑ i = 1 X t W i {\displaystyle Y_{t}=\sum _{i=1}^{X_{t}}W_{i}} is called a renewal-reward process...

Euler–Bernoulli beam theory (also known as engineer's beam theory or classical beam theory) is a simplification of the linear theory of elasticity which...

1;\;A'=0',1',} and set x A A ′ = 1 2 ( t − z x + i y x − i y t + z ) . {\displaystyle x^{AA'}={\frac {1}{\sqrt {2}}}{\begin{pmatrix}t-z&x+iy\\x-iy&t+z\end{pmatrix}}...

In the psychology of motivation, balance theory is a theory of attitude change, proposed by Fritz Heider. It conceptualizes the cognitive consistency motive...

D Q = ∫ − ∞ ∞ ∫ − ∞ ∞ P X , Y ( x , y ) ( x − y ) 2 d x d y = ∫ − ∞ ∞ ∫ − ∞ ∞ Q Y ∣ X ( y ∣ x ) P X ( x ) ( x − y ) 2 d x d y . {\displaystyle D_{Q}=\int...