We review the stamp folding problem, the number of ways to fold a strip of n stamps, and the related problem of enumerating meander configurations. The study of equivalence classes of foldings and meanders under symmetries allows to characterize and enumerate folding and meander shapes. We describe symmetric foldings and meanders, and we give formulas relating folding and meander sequences. We ...

2014 We present a simple mathematical model to describe the statistical properties of the meandering of narrow streams on clean and smooth substrates. The model is shown to contain three different regimes, depending on the flow rate : (i) at low rates, the stream path is a timeindependent random walk ; (ii) for intermediate flow rates, static meanders appear. The onset of meandering is found to...

meanders are among the important characteristics of some rivers that flow in semi-arid regions. swift displacement along the river's flow, change in the location of the central ridge and bank erosion leateral erosion are resulted from making meander in the river's flow. meanders in river courses on north east slopes of sahand (located in 46ëš 43ì to 47ëš 15ì e and from 36ëš 05ììì...