Live mathematical reference

Symbols and notation

Symbols can mean different things in different articles. Definitions below are shown only when an equation guide or its article provides one; otherwise the entry identifies where to read the equation in context.

1506 symbols.

λg\lambda_g

\lambda_g

2 equations

No site-wide meaning is inferred for this symbol.

λh\lambda_h

\lambda_h

1 equation

No site-wide meaning is inferred for this symbol.

λi\lambda_i

\lambda_i

3 equations

No site-wide meaning is inferred for this symbol.

λl\lambda_l

\lambda_l

6 equations

No site-wide meaning is inferred for this symbol.

λL\lambda_L

\lambda_L

1 equation

No site-wide meaning is inferred for this symbol.

λm\lambda_m

\lambda_m

5 equations

No site-wide meaning is inferred for this symbol.

λo\lambda_o

\lambda_o

1 equation

No site-wide meaning is inferred for this symbol.

λr\lambda_r

\lambda_r

2 equations

No site-wide meaning is inferred for this symbol.

λR\lambda_R

\lambda_R

1 equation

No site-wide meaning is inferred for this symbol.

λs\lambda_s

\lambda_s

1 equation

No site-wide meaning is inferred for this symbol.

λS\lambda_S

\lambda_S

1 equation

No site-wide meaning is inferred for this symbol.

λt\lambda_t

\lambda_t

1 equation

No site-wide meaning is inferred for this symbol.

λu\lambda_u

\lambda_u

1 equation

No site-wide meaning is inferred for this symbol.

Λ2\Lambda^{2}

\Lambda^{2}

3 equations

Symbol Lambda^2: the square of Lambda; the mass scale of whatever new physics has been integrated out.

Λ4\Lambda^{4}

\Lambda^{4}

2 equations

No site-wide meaning is inferred for this symbol.

Λ2\Lambda^2

\Lambda^2

2 equations

Symbol Lambda^2: the square of Lambda; the mass scale of whatever new physics has been integrated out.

E\mathbb{E}

\mathbb{E}

10 equations

Symbol E: The expected value operator: the probability-weighted average of the quantity inside its brackets.

E(x, yA, yB, p) ∼ DAI\mathbb{E}_{(x,\,y_A,\,y_B,\,p)\,\sim\, D_{AI}}

\mathbb{E}_{(x, y_A, y_B, p) \sim D_{AI}}

1 equation

No site-wide meaning is inferred for this symbol.

Eproblems\mathbb{E}_{\text{problems}}

\mathbb{E}_{problems}

1 equation

No site-wide meaning is inferred for this symbol.

Etasks\mathbb{E}_{\text{tasks}}

\mathbb{E}_{tasks}

2 equations

No site-wide meaning is inferred for this symbol.

Eπ\mathbb{E}_\pi

\mathbb{E}_\pi

1 equation

No site-wide meaning is inferred for this symbol.

Es\mathbb{E}_s

\mathbb{E}_s

1 equation

No site-wide meaning is inferred for this symbol.

R\mathbb{R}

\mathbb{R}

1 equation

Symbol R: The real numbers: all values on the continuous number line, including negative and fractional values.