while this is a book about harry and his
adventurous life, it is primarily a serious text about stochastic
processes. it features the basic stochas-tic processes that are
necessary ingredients for building models of a wide variety of
phenomena exhibiting time varying randomness.
the book is intended as a first year graduate text for courses
usually called stochastic processes (perhaps amended by the words
"applied" or "introduction to ... ") or applied probability, or
sometimes stochastic modelling. it is meant to be very accessible
to beginners, and at the same time, to serve those who come to the
course with strong backgrounds. this flexiblity also permits the
instructor to push the sophistication level up or down. for the
novice, discussions and motivation are given carefully and in great
detail. in some sections beginners are advised to skip certain
devel-opments, while in others, they can read the words and skip
the symbols in order to get the content without more technical
detail than they are ready to assimilate. in fact, with the
numerous readings and variety of prob-lems, it is easy to carve a
path so that the book challenges more advanced students, but
remains instructive and manageable for beginners. some sections are
starred and come with a warning that they contain material which is
more mathematically demanding. several discussions have been
modularized to facilitate flexible adaptation to the needs of
students with differing backgrounds. the text makes crystal clear
distinctions between the following: proofs, partial proofs,
motivations, plausibility arguments and good old fashioned
hand-waving.
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