A d-angulation is a planar map with faces of degree d. We present for each integer d ≥ 3 a bijection between the class of d-angulations of girth d and a class of decorated plane trees. Each of the bijections is obtained by specializing a “master bijection” which extends an earlier construction of the first author. Bijections already existed for triangulations (d = 3) and for quadrangulations (d...

Gentlemen,?I take the liberty of submitting to you several drawings which illustrate the condition of the entrance to the vagina, and especially of the hymen, after cohabitation and childbearing. It is known to you, that hitherto the general opinion has been that the hymen by the first cohabitation was torn, and that the cicatricial retracting remains of the same formed the carunculee myrtiform...

Recommendation System (RS) is the tool, which helps to find interesting and relevant items or products. With the dawn of social network and its attractiveness, people are interested to share their experience, such as rating, reviews, etc. which helps to recommend the items of user interest. The potential growth of the internet results the use of social networks such as Facebook, Twitter, linked...