# HIMPUNAN MATEMATIKA INDONESIA (INDOMS)

##### Some Properties of Multiplication Modules

let m be an r-module. the module m is called multiplication if for anysubmodule n of m we have n = im, where i is an ideal of r. in this paperwe state some basic properties of multiplication modules.

##### Existence Results for a Perturbed Fourth-Order Equation

the existence of at least three weak solutions for a class of perturbed fourth-order problems with a perturbed nonlinear term is investigated. ourapproach is based on variational metho

##### Bounds on Energy and Laplacian Energy of Graphs

let g be simple graph with n vertices and m edges. the energy e(g) of g, denotedby e(g), is dened to be the sum of the absolute values of the eigenvalues of g. inthis paper, we present two new upper b...

##### Full Identification of Idempotens in Binary Abelian Group Rings

every code in the latest study of group ring codes is a submodule thathas a generator. study reveals that each of these binary group ring codes can havemultiple generators that have diverse algebraic ...

##### Fuzzy Translations of a Fuzzy Set in UP-Algebras

in this paper, we apply the concept of fuzzy translations of a fuzzy set to up-algebras.for any fuzzy set $\mu$ in a up-algebra,the concepts of fuzzy $\alpha$-translations of $\mu$ of type \textrm{i} ...

##### On Fully Prime Radicals

in this paper we give a further study on fully prime submodules. for any fully prime submodules we define a product called $\am$-product. the further investigation of fully prime submodules in this wo...

##### Teaching Media Development of Mathematic in the Materials Trigonometry Sum and Two Angles Difference by Using Gui Matlab

. the aim of this research is to develop teaching media for mathematics specifically for materials on trigonometry using gui matlab. this media can be used as teaching and learning aid for students at...

##### Designing Application of Ant Colony System Algorithm for the Shortest Route of Banda Aceh City and Aceh Besar Regency Tourism by Using Graphical User Interface Matlab

banda aceh city and aceh besar regency are two of the leading tourism areas located in the province of aceh. for travelling, there are some important things to be considered, such as determining sched...

##### Antimicrobial Activity of Methanol Extract From Stem Bark of Cinnamomum Sintoc

antimicrobial activity of methanol extract from stem bark of cinnamomum sintoc has been evaluated against candida albicans, staphylococcus aureus and escherichia coli. the extraction of compound was c...

##### A Collocation Method for Solving Fractional Order Linear System

in this paper we propose the collocation method to achieve the numerical solution of fractional order linearsystems where a fractional derivative is defined in the caputo sense.we use taylor collocati...

##### On Infinitesimal Projective Transformations of the Tangent Bendle with the Complete Lift of a Finsler Metric

let (m,g) be a finsler manifold and tm0 its slit tangent bundle with the complete lift metric ~g.in this paper we prove that every infinitesimal complete lift projective transformation on (tm0,~g), is...

##### Formal Concept Analysis with Constraints by EM Operators

formal concept analysis is a method of exploratory data analysisthat aims at the extraction of natural cluster from object-attributedata tables. we present a way to add user's background knowledge tof...

##### On Strongly Associative (Semi)Hypergroups

in this paper we introduce the notion of a strongly associative hyperoperation that we call sass and obtain new class of semihypergroups....

##### Bipolar Neutrosophic Graph Structures

in this research study, we introduce the concept of bipolar single-valued neutrosophic graph structures.we discuss certain notions of bipolar single-valued neutrosophic graph structures with examples....

##### Two Nice Determinantal Expressions and a Recurrence Relation for the Apostol--Bernoulli Polynomials

in the paper, the authors establish two nice determinantal expressions and a recurrence relation for the apostol--bernoulli polynomials.

##### Quality Control X Rays Mammography in the Effort Mitigation Increasing Number of Cancer Patients

. early detection of breast cancer is the first step in prevention that can be done by women, therefore when one is diagnosed with breast cancer, the appropriate treatment can be performed quickly and...

##### Taxonomic Key to the Lacessittermes Holmgren (Termitidae: Nasutitermitinae) From Sumatra

a taxonomic key based on soldier and worker characters for an open air processional column termites genera, lacessititermes, was constructed from material collected from sumatra and adjacent islands f...

##### Inhibition Test of Methanol Extract From Soursop Leaf (Annona Muricata Linn.) Against Streptococcus Mutans Bacteria*

. dental caries is a disease with a high prevalence of caries in indonesia is caused by the bacterium streptococcus mutans. the leaves of the soursop (annona muricata linn.) is one of the herbs that c...

##### Isolation of Antioxidant Compounds of Methanol Extract of Nutmeg Leaves (Myristica Fragrans Houtt)

.the antioxidant activity from methanol extract of nutmeg leaves (myristica fragrans houtt) was performed using 2,2-diphenyl-1-picrylhydrazil (dpph). antioxidant assay using dpph of the methanol extra...

##### Activity Test of Abrus Precatorius L. Leaf Extract Against Clinical Streptococcus Pneumonia Growth*

. saga (abrus precatorius l.) have been used by indonesian community as a traditional medicine. the research aims to determine the activity of the methanol extract of saga leaves to inhibit the growth...

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