{"version":"1.0","type":"link","title":"Signed graph - Newikis","description":"In the area of graph theory in mathematics, a signed graph is a graph in which each edge has a positive or negative sign.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/5/5a/Pox.svg/1280px-Pox.svg.png","thumbnail_width":1280,"thumbnail_height":1157}