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# Browsing Mathematics by Title

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• (2021-03)
Pekanbaru City is one of the areas that still has a population in the range of 7-24 years in the education, with the status of neither attending school nor dropping out of school, which should follow mandatory study. ...
• (2021-01)
The problem of unemployment is an important concern for local governments. The average of an open unemployment rate in Sumatra Island in 2014-2019 was 5.4% which was still above the national target of 4.8%. The factors ...
• (perpustakaan UR, 2021-11)
This article discusses the recursive pristine numbers. Pristine numbers can be de- termined by recursive divisors function. Recursive divisor function is development of divisor function generally. Using the recursive ...
• (2016-04-27)
This article discusses the modi cation of Newton's method using the composite trapezoidal rule to approximate an inde nite integral in its derivation. It is analyti- cally demonstrated that the order of convergence of ...
• (2013-05-08)
In this paper we discuss the characteristics of free semigroup and free monoid related to word set. The discussion begins with some homomorphism theorems and a criterion for freeness of semigroup and monoid. All characteristics ...
• (wahyu sari yeni, 2019-04-23)
This article discusses several properties of digital roots of powers of numbers. The digital root of number is one digit value which obtained by calculating the sum of each digit iteratively until one digit number is ...
• (Elfitra, 2022-07)
This article discusses properties and characteristics of BF-algebras. These proper- ties and characteristics are used to show properties, characteristics and relationhip between BF1, BF2, and BF3-algebras. Then, this ...
• (2016-04-27)
In article we study the multiplicative property of set residue mod n. Given a natural number n, every set of residues mod n of cardinality at least n/2 contains residues a, b, c with ab = c. The set is said to be a product ...
• (2016-05-16)
In article we study the multiplicative property of set residue mod n. Given a natural number n, every set of residues mod n of cardinality at least n/2 contains residues a, b, c with ab = c. The set is said to be a product ...
• (2021-03)
This article discusses some properties of B-algebra and the ideal, complete ideal, n- ideal of B-algebra. Every sub B-algebra and normal of B-algebra is ideal, complete ideal, and n-ideal. This project is a review of ...
• (wahyu sari yeni, 2019-01-31)
This article studies a generalized Fibonacci sequence called Fibonacci-like sequence. The Fibonacci-like sequence is de ned by recurrence relation as Tn = Tn􀀀1 + Tn􀀀2; n 2; T0 = p; T1 = p; with p is a positive ...
• (Elfitra, 2022-01)
This article discusses the properties of BI -algebra and properties of ideals in BI - algebra. By using the binary operations and implication algebra are obtained by conditions that show the properties of BI -algebra and ...
• (2021-05)
This article discusses the properties of BM-algebra and the relationship of BM- algebra with BCI -algebra, BF-algebra and Coxeter algebra. Their relationship through the properties of BM-a
• (2020-12)
This article discusses the properties of BN -algebra, the relationship BN -algebra with B -algebra, BF -algebra and Coxeter algebra. These properties are proved by using the binary operations contained in the group. This ...
• (2014-03-25)
A square matrix A is called a secondary normal matrix if AAθ = Aθ A, where Aθ is a secondary conjugate transpose of the matrix A, which is different from the conjugate transpose matrix. In this paper, we discuss some ...
• (2021-01)
This article discusses the properties of BN1-algebra and the relationship between BN1-algebra and some other algebra. Then, using the properties contained in BN1- algebra and some other algebra, we derive several other ...
• (2013-03-26)
Interval set is a set from an object whose elements consist of intervals. A set of all one-to-one and onto mappings from interval set to the other for all with composition operation which from a semigrup is called interval ...
• (perpustakaan UR, 2021-10)
Hydrazone is a substitution product of stable imine type which has a basic structure (R1-HC=N-NH-R2). The izometine (-HC=N-NH-) group in hydrazones plays a role in their biological activity for the design and development ...
• (perpustakaan UR, 2021-10)
Hydrazone is a class of organic compound with the structure R1R2C=NNH2. Hydrazone have an azomethine group (-NHN=CH-) which is an aldehyde and ketone derivative, in which the oxygen atom is replaced by an =NNH2 group. ...
• (2020-07)
This article discusses the technique of solving ordinary differential equations of second order nonhomogen with right exponential functions in the form of complex exponentials. The solution is obtained through two new ...