abstract background: infertility predisposes the couples to mental and psychological problems such as anxiety, depression, anger, and partner abuse. this study aimed to investigate the association between infertility factors and the non-physical abuse between infertile spouses. materials and methods: this is a descriptive cross-sectional study conducted on 262 infertile couples (131 female and ...

In open innovation a firm’s R&D crosses not only internal boundaries but disciplines. It is an interactive process of knowledge generation and transfer between internal and external firms. However, the search for an external partner can be time consuming and costly. Open innovation marketplaces broker relationships between seekers and solvers of challenges. Seekers have a problem which they nee...

Collaboration is vital for the survival of companies in today’s fast moving economy and, therefore, finding and matching partners is an important task. This is true for many different scenarios ranging from companies building consortiums over organizations frequently staffing project teams to the recruitment of new employees. An empirical survey among the Top 1000 companies in Germany on state-...

This paper considers the many-to-many version of the stable marriage problem where each man and woman has a strict preference ordering on the members of the opposite sex that he or she considers acceptable. Further, each man and woman wishes to be matched to as many acceptable partners as possible, up to his or her specified quota. In this setup, a polynomial time algorithm for finding a stable...