Table 1.

Mathematical notation

symbol	type or formula	meaning
C	random variable	number of bases covered
I	random variable	number of islands hit by at least one read
L	random variable	number of library gaps
R	random variable	number of reads hitting a particular island
S	random variable	number of sequence gaps
λ	parameter	length of a sequencing read
σ	parameter	size of a filtered island
i	parameter	number of filtered islands
n	parameter	number of sequencing reads processed
π	σ - λ + 1	number of placements for a read on an island
Π	i(σ - λ + 1)	number of possible placements over whole target