An r-graph is an r-regular graph where every odd set of vertices is connected by at least r edges to the rest of the graph. Seymour conjectured that any r-graph is r + 1edge-colorable, and also that any r-graph contains 2r perfect matchings such that each edge belongs to two of them. We show that the minimum counter-example to either of these conjectures is a brick. Furthermore we disprove a va...

What parallels might there be between Poe’s story of a proud prince and his noble acolytes who shut themselves away to take refuge from the red death twenty-first-century non-fiction Covid-19? The author this piece personal, auto-fictional approach question, narrating own experience locking down with family in London’s vibrant East End. If Prospero nobles devote revelry aesthetic pl...

Brick industry in India is the second largest brick producer in the world after China. The industry is one of the largest employment generating industries employing millions of people. The present study focuses on the brick industries located in North Karnataka, India, where about 1500 brick kilns are operating employing thousands of workers. The main aim of this study is to investigate the sel...

We report a small advance on a question raised by Robertson, Schweitzer, andWagon in [RSW02]. They constructed a genus-13 polyhedron built from bricks without corners, and asked whether every genus-0 such polyhedron must have a corner. A brick is a parallelopiped, and a corner is a brick of degree three or less in the brick graph. We describe a genus-3 polyhedron built from bricks with no corne...

The effect of artificial pozzolan (waste brick) on the physico-chemical properties of cement manufactured was investigated. The waste brick is generated by the manufacture of bricks. It was used in the proportions of 0%, 5%, 10%, 15% and 20% by mass of cement to study its effect on the physico-chemical properties of cement incorporating artificial pozzolan. The physicochemical properties of cem...

In reality, brick is a building material used to make walls or walls. As the basic clay which then molded and burned at certain temperature so that it turns hard like stone will not soften again when exposed water. One of advantages strong durable. However, one problems faced today supply bricks as for making walls/panels are mostly taken from productive rice fields. There 3 (three) results thi...

Since the start of 2020, people all around globe have been subject to life-limiting limitations duw Covid-19 that is unprecedented. The world’s population has dealing with previously unheard-of restrictions on their way life since 2020. proper urban planning essential because it relates land management create a healthy environment free from epidemics. It analyses effectiveness space as defended...