In this paper we study the problem of coloring graphs in an online manner. The only known deterministic online graph coloring algorithm with a sublinear performance function was found by Lov&z, Saks and Trotter [5]. Their algorithm colors graphs of c h r s matic number x with no more than ((2xn)/log*n) colors, where n is the number of vertices. They point out that the performance can be improve...

In today's life, everyone is in hurry to reach their destination as quickly as possible. So people intentionally or unintentionally take harsh driving events such as sudden acceleration, sudden turns or sudden brakes which further lead them to accidents or even loss of their lives. And it is a common belief that if a person behavior is being monitored, it would be relatively safer. To monitor d...

The Square Coloring of a graph G refers to coloring vertices such that any two distinct which are at distance most receive different colors. In this paper, we initiate the study related problem called subset square graphs. Broadly, studies dominating set using q Here aim is optimize number colors used. This also generalizes well-studied Efficient Dominating Set problem. We show $$q$$ -Subset NP...

Reducing the number of colors in an image while preserving its quality, is of importance in many applications such as image analysis and compression. It also decreases memory and transmission bandwidth requirements. Moreover, classification of image colors is applicable in image segmentation and object detection and separation, as well as producing pseudo-color images. In this paper, the Kohene...

colors as a key element of emotional (sentimental) impacts and interaction with its surrounding, which is the most important visual factor, has had a great importance in the history of art and culture of iran for decades. this key element has shown its importance in several historical monuments and buildings. a large number of color theoreticians believe that colors affect the human beings’ spi...

We present near-IR photometry of a selected sample of southern hemisphere E+A galaxies. The sample includes 50 galaxies from nearby (z ∼ 0.05) and distant (z ∼ 0.3) clusters as well as E+A galaxies from the field (z ∼ 0.1). We also observed 13 normal early-type galaxies from the field and from clusters to be compared with the E+A sample. The photometry includes J , H and Ks apparent magnitudes ...

Individuals with grapheme-color synesthesia experience "colors" when viewing achromatic letters and digits. Despite the large individual difference in synesthetic association between inducing graphemes and induced colors, the search for the determinants of synesthetic experience has begun. So far, however, research has drawn an inconsistent picture; some studies have shown that graphemes of sim...