Meanwhile, seminal work on triangle‐free intersection graphs of line segments has demonstrated that even in the absence of triangular substructures the chromatic number can be unbounded [2].

All the points on the vertical line below have an x-coordinate of \(7\), so you can say that the equation of the line is \(x = 7\). Graph forms All vertical line graphs have an equation of the form: ...

Hallmark Cards Inc. has removed blue and silver gift wrap from circulation after a customer complained that she saw a swastika embedded in the design.The Kansas City, Missouri-based company ...

A ruptured gas line forced the closure of an Albuquerque intersection early Tuesday morning.Officials said construction crews ruptured the gas line shortly before 11:30 p.m. Monday, when workers ...

The post on X, formerly Twitter, stated that the intersection at Idaho Road and Superstition Boulevard will be closed through Dec. 13 as crews continue to fix a water line break that happened on ...

PORTLAND, Ore. (KOIN) — An intersection in Vancouver is closed Thursday morning after a natural gas line was hit, authorities said. According to Vancouver Fire, a 4-inch main natural gas line ...

An intersection in Apache Junction will be closed through the weekend following a water line break that caused the road to cave in.