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...

{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]}...

x ≥ 0 ≥ y {\displaystyle x\geq 0\geq y} , or x ≤ 0 ≤ y {\displaystyle x\leq 0\leq y} ), then: V ( x , p ; y , q ) = π ( p ) ν ( x ) + π ( q ) ν ( y )...

|T\{\phi (x)\phi (y)\}|\Omega \rangle } in the free or interacting theory, respectively. Here, x {\displaystyle x} and y {\displaystyle y} are position...

isomorphic. For example, the group with presentation ⟨ x , y ∣ x y x y x = e ⟩ , {\displaystyle \langle x,y\mid xyxyx=e\rangle ,} is isomorphic to the additive...

) 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...

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...

nodes or points); E ⊆ { { x , y } ∣ x , y ∈ V and x ≠ y } {\displaystyle E\subseteq \{\{x,y\}\mid x,y\in V\;{\textrm {and}}\;x\neq y\}} , a set of edges (also...

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...

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...