منابع مشابه
Signed total Italian k-domination in graphs
Let k ≥ 1 be an integer, and let G be a finite and simple graph with vertex set V (G). A signed total Italian k-dominating function (STIkDF) on a graph G is a functionf : V (G) → {−1, 1, 2} satisfying the conditions that $sum_{xin N(v)}f(x)ge k$ for each vertex v ∈ V (G), where N(v) is the neighborhood of $v$, and each vertex u with f(u)=-1 is adjacent to a vertex v with f(v)=2 or to two vertic...
متن کاملThe Italian domatic number of a digraph
An {em Italian dominating function} on a digraph $D$ with vertex set $V(D)$ is defined as a function$fcolon V(D)to {0, 1, 2}$ such that every vertex $vin V(D)$ with $f(v)=0$ has at least two in-neighborsassigned 1 under $f$ or one in-neighbor $w$ with $f(w)=2$. A set ${f_1,f_2,ldots,f_d}$ of distinctItalian dominating functions on $D$ with the property that $sum_{i=1}^d f_i(v)le 2$ for each $vi...
متن کاملA syllabus for the Fifties. Teaching computer science on the first Italian computers
Short abstract. The CEP project is the cradle for Italian computer science. Besides delivering the first machine produced in the country (Macchina Ridotta, 1957), it was the seed from which the future Course on Computer Science (1969, again a first for Italy) will develop. Indeed, since its inception the project managers understood the need of courses teaching the use and the possibilities of t...
متن کاملUsing & Re-Using Archive Information for Multimedia Applications: The Virtual Museum of Italian Computer Science History
The quality of content is a key attribute for assessing the global quality of a museum application. Unfortunately, producing good content, especially in multimedia digital form, is expensive and time-consuming. One way to reduce the costs without sacrificing quality is to exploit the concept of information reuse. The idea is to use (portions of) the same multimedia material in different applica...
متن کاملTheoretical Computer Science, 9th Italian Conference, ICTCS 2005, Siena, Italy, October 12-14, 2005, Proceedings
When writing can change your life, when writing can enrich you by offering much money, why don't you try it? Are you still very confused of where getting the ideas? Do you still have no idea with what you are going to write? Now, you will need reading. A good writer is a good reader at once. You can define how you write depending on what books to read. This theoretical computer science 9th ital...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1971
ISSN: 0028-0836,1476-4687
DOI: 10.1038/233507a0