document.write("«&nbsp;<a href='/news/view?id=86551'>Efficient Control of AC Machines using Model-Based Development</a>");document.write(" | ");document.write("<a href='/news/view?id=86553'>Erd\H{o}s-Ulam ideals vs. simple density ideals. (arXiv:1711.03578v2 [math.CO] UPDATED)</a>&nbsp;»");