A total labeling on a graph G with v vertices and e edges is a one-to-one function from ����������(����������) ∪ ����������(����������) onto the set of positive integers {1, 2, ... , v + e}. The sum of the label on an edge ...

Determinating the value of assets at the beginning of each period is a problem faced by an insurance company. The purpose of this paper is to estimate the value of pension funding assets of a company using exponential and ...

Currently, the traffic light control system is still using a fixed time system. This system would result the traffic jams because the number of vehicles in a lane is different with a same duration of green time-lamp. The ...

This paper studied a mathematical interactions model of healthy CD4+T cells with HIV cells by involving two types of control strategies, i.e. increasing body’s immune drugs and using antiviral drugs. The interaction problem ...

Guinness Book of Records in 1989 as indicated in the Antara News article (2013) showed that Bogor is one of the areas with the highest potential for lightning in the world. However, the recording devices that count frequency ...

Sudoku can be viewed as a puzzle in mathematics. Players must fill in a n2 × n2 matrix which is containing some given enteries, so that each row, column, and n × n mini grid contains each integer 1 through n2. The objectives ...

This manuscript describes a single-species population model in a polluted environment. This model describes the stability of a single-species population behavior which is affected by the pollution effect. The focus of ...

In the classical risk model, insurance company profit is affected by three factors i.e., the amount of the initial profit, the amount of revenue (premium) obtained, and the amount of the claims insurance company paid for ...

This paper studied a mathematical model of fishery resource dynamics in an aquatic area. The considered area consists of two zones: reserve and unreserve zones, where growth of fish population on each zone is given by a ...

One of the main issues of water distribution process relates to effectiveness of pumps operation. When a pump was turn on there will be a power surge that makes it requires higher power, such that initial power is much ...