Notations
Any time you are stuck on a problem, introduce more notation.
—Chris Skinner [Plenary Lecture, Aug 1997, Topics in Number Theory, Penn State]
General | |
|a| | absolute value of real number a |
min S | minimum of elements of set S |
max S | maximum of elements of set S |
exp(a) | ea, where |
log x | logarithm of x with respect to some unspecified base (like 10) |
ln x | loge x, where |
lg x | log2 x |
logk x | (log x)k (similarly, lnk x = (ln x)k and lgk x = (lg x)k) |
:= | is defined as (or “is assigned the value” in code snippets) |
i | |
complex conjugate (x – iy) of the complex number z = x |
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