Expanding to the Edges: Central Numic Dual Number

The Maximum Number of Edges in a Strongly Multiplicative Graph

the role of russia in transmission of energy from central asia and caucuses to european union

پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...

the maximum number of edges in a strongly multiplicative graph

0

On the number of K4-saturating edges

Let G be a K4-free graph, an edge in its complement is a K4-saturating edge if the addition of this edge to G creates a copy of K4. Erdős and Tuza conjectured that for any n-vertex K4-free graph G with bn2/4c + 1 edges, one can find at least (1 + o(1)) 2 16 K4-saturating edges. We construct a graph with only 2n2 33 K4-saturating edges. Furthermore, we prove that it is best possible, i.e., one c...

Numic Expansion in the Southern Sierra Nevada

Recent research indicates that late prehistoric Numic expansion onto the western slope of the southern Sierra Nevada was facilitated by a competitive edge held by migrating groups, mainly Great Basin­derived settlement and subsistence behaviors fine­tuned to the uncertainties of living in Little Ice Age mountain environments. But ethnographic, linguistic, and archaeological evidence also sugges...