00
Personal Information
Akbar Golchin
Department : Department of Mathematics
Degree : Professor
Internal Phone : 6372
External Phone : +98 54 33446251-9
Fax : +98 54 33447166
Email : agdm@math.usb.ac.ir
Home Page :

Address : Department of Mathematics University of Sistan and Baluchestan Zahedan,IRan

01
Educations

Department of Mathematics, Teacher training University, Tehran , Iran.

Name of University: 
Degree: B.Sc

Institute of Mathematics, Teacher training University, Tehran , Iran.

Name of University: 
Degree: M.Sc

School of Mathematics, University of Southampton, U.K.

Name of University: 
Degree: PH.D
02
Conferences

Principal weak Flatness of Diagonal Acts over left PSF monoids S

Authors:A.Golchin, A. Zolalla
Conference: The 45st Annual Iranian Mathematics Conference
Place: University of Semnan

On Quasi-Projectivity and (X_S, Y_S)-Projectivity of acts over Monoids

Authors:A.Golchin, M.RZamani
Conference: 22nd Iranian Algebra Seminar
Place: Sabzevar Tarbiat Moallem University, Sabzevar, Iran

Exact Sequence of Semigroups

Authors:A.Golchin, R.Aminizadeh
Conference: 22nd Iranian Algebra Seminar
Place: Sabzevar Tarbiat Moallem University, Sabzevar, Iran

Classification of Monoids by C-injectivity of right Ideals

Authors:A. Golchin, S. Saraylo
Conference: Third Conference and Workshop on Group theory
Place: University of Tehran

Pomonoids S over which all regularly principally weakly injective S-poset are regularly fg-weakly injective

Authors:A. Golchin, M. Enhesari
Conference: Third Conference and Workshop on Group theory
Place: University of Tehran

On right cyclic perfect monoids

Authors:A. Golchin, M R Zamani
Conference: Third Conference and Workshop on Group theory
Place: University of Tehran

Classification of pomonoids by properties of their Rees posets

Authors:A. Golchin, M Abedinejad
Conference: 21th Algebra Seminar of Iran
Place: University of Tabriz

Characterization of monoids by Weak Pullback flatnees of Their Right Rees factor acts

Authors:A. Golchin , Kh. Hasani
Conference: 41st Annual Iranian Mathematics Conference
Place: Urmia University

Monoids Over which Weakly pullback flat acts are pullback flat

Authors:A. Golchin , Kh. Hasani
Conference: 41st Annual Iranian Mathematics Conference
Place: Urmia University

Monoids Over which Acts Satisfymy comdition (P) are Stronsly flat

Authors:A. Golchin , J. Golzarpur
Conference: 41st Annual Iranian Mathematics Conference
Place: Urmia University

Flatness Properties of S-Poset A(I).

Authors:A. Golchin , N. Mohammadrashidi
Conference: Proceedings of Group Therory Conference
Place: Mashhad

Classification of Pomonoids S by properties of Rees factor S-Posets

Authors:A. Golchin , M.Abedinejad
Conference: 21th Algebra Seminar
Place: University of Tabriz

Strong Flatness Properties of S-Posets

Authors:A. Golchin , Z. Azadi
Conference: 40st Annual Iranian Mathematics Conference
Place: Sharif University

Semigroup for which diagonal biacts are not finitely generated.

Authors:A. Golchin , L. Noori
Conference: 20Th Seminars on Algebra
Place: Tarbiat Moalleem University

Flatness and annihilator Flatness

Authors:A. Golchin , E. Khodaparast
Conference: 20Th Seminar on Algebra
Place: Tarbiat Moalleem University

Semigroups That has no finitely generated diagonal Right acts.

Authors:A. Golchin , L. Noori
Conference: Group Theory and Lie Algebra Conference
Place: Payam Noor University, Fariman

Acts Over Left (Right) chain Monoids

Authors:A. Golchin , H.R. Kahkha
Conference: Group Theory and Lie Algebra Conference
Place: Payam Noor University, Fariman

Flatness Properties of cyclic S-Posets.

Authors:A. Golchin , M. Shafiei
Conference: Group Theory and Lie Algebra Conference
Place: Payam Noor University, Fariman

Absolute Weakly equalizer flat Monoids

Authors:A. Golchin , E. Khodaparast
Conference: Group Thoary and Lie Algebra Conference
Place: Payam Noor University, Fariman

on É-regular acts

Authors:A. Golchin , H.R. Kahkha
Conference: Proceeding of the 18Th Seminar on Algebra
Place: Semnan University, Semnan

on É-strong flatness of acts

Authors:A. Golchin
Conference: Conference on Semigroups , Acts and Categories With Applications to Graphs
Place: University of Tartu , Estonia

Characterization of Some particular monoids by Condition (É) of Their acts

Authors:A. Golchin , M. Abbasi
Conference: 18Th Seminar on Algebra
Place: Damghan University of Basic Science

Condition Ṗe.

Authors:A. Golchin
Conference:  Proceeding of the 17Th Seminar on Algebra
Place: University of Sistan and Baluchestan

On P-Regularity of Rees Factor Acts.

Authors:A. Golchin
Conference: Proceeding of the 17Th Seminar on Algebra
Place: University of Sistan and Baluchestan

R - right and L - left Cancellative semigroups

Authors: A. Golchin
Conference: Proceeding of the 17Th Seminar on Algebra
Place: University of Sistan and Baluchestan

Characterization of monoids by Condition (EPe)

Authors:A. Golchin
Conference: International Congress of Mathematicians
Place: Madrid

On Kernel Flatness

Authors:A. Golchin
Conference: Groups St Andrews 2005, University of St Andrews
Place: St Andrews, Scotland.

Homoflatness of acts

Authors:A. Golchin & M. Nabavi
Conference: 16th Seminar on Algebra, Institute for Advanced Studies in Basic Science.
Place: Zanjan

Coproduct and Kernel flatness

Authors:A. Golchin
Conference: Fourth European Congress of mathematics
Place: Stockholm , Sweden

Flatness on Ideal Extension

Authors:A. Golchin
Conference: Abstracts of short communications and poster Sessions of Mathematics, Beijing 2002.
Place: China, Page 15-16

Monoids over which all strongly flat acts are projective.

Authors: A. Golchin & A. Safavi
Conference: 14th Seminar on Algebra.
Place: Azzahra University, Tehran

Fuzzy Congruence over semigroup.

Authors:A. Golchin , H. Mohammadzadeh
Conference: 14th Seminar on Algebra
Place: Azzahra University, Tehran

Lattice of fuzzy Congruence on regular semigroup.

Authors:A. Golchin , H. Taheri
Conference: The Third Seminar on Fuzzy sets and it's Applications
Place: Sistan and Baluchestan University

S - Systems and Condition (PE).

Authors: A. Golchin , J. Sammie
Conference: 31th Iranian Mathematics Conference
Place: University of Tehran
03
Journals

On properties of product acts over monoids

Authors:A.Golchin
Journal:Communicatin in Algebra

A Correction on the paper " The flatness properties of S-poset A(I) and Rees factor S-posets"

Authors:A.Golchin
Journal:Semigroup Forum

Subpullbacks and Po- flatness Properties of S- posets

Authors:A.Golchin
Journal:Sciences, Islamic Republic of Iran

E-torsion free Acts over Monoids

Authors:A.Golchin
Journal:Thai Journal of Mathematics

Strongly Torsion Free Acts over Monoids

Authors:A.Golchin
Journal:Asian-European Journal of mathematics, Vol. 6, No. 3

R-torsion free Acts over Monoids

Authors:A.Golchin
Journal:Sciences, Islamic Republic of Iran 24(3): 275-285

On Condition (P')

Authors:A.Golchin
Journal:Semigroup Forum

On P-Regularity of Acts

Authors:A.Golchin
Journal:Advances in Pure Mathematics, 2, 63-138, 2012

On Strongly (P)-Cyclic Acts

Authors:A. Golchin
Journal:Czechoslovak Mathematical Journal, 59 (134) (2009), 595-611

ON Condition (PWPE)

Authors:A. Golchin
Journal:Southeast Asian Bulletin of Mathematics (2009) 33:245-256

ON Homological Classification of Monoids by Condition (P_E) of right Acts

Authors:A. Golchin
Journal:Italian Journal of mathematics - No 25 -2009 (175-186)

Subpullbaks and flatness properties of S-posets (ISI)

Authors:A. Golchin
Journal:Communications in Algebra 37 : (1995-2007) ,2009

(Homo) Flatness of posets on poideal extensions (ISI)

Authors:A. Golchin
Journal:Semigroup Forum (2009) 79 : 65-78

ON U-(P) Acts

Authors:A. Golchin
Journal:Global Journal of Pure and Applied Mathematics, Vol.4 No.1 (2008)

On Regvlarity of Acts

Authors:A. Golchin
Journal:Sciences, Islamic Republic of Iran 19(4): 339-345 (2008)

On the U-WPF Acts over Monoids

Authors:A. Golchin
Journal:Sciences, Islamic Republic of Iran 18(4): 323-328 (2007)

On R-Right (L-Left) Cancellative And Weakly R(L) - Cancellative Semigroups

Authors:A. Golchin
Journal:Sciences, Islamic Republic of Iran 18(1): 35-40 (2007)

ON Condition (EP).

Authors:A. Golchin
Journal:International Mathematical Forum , 2,2007 ,no 19, 911-918

On Homological classification of Monodis By Condition (E') of Right Acts

Authors:A. Golchin
Journal:Yokohama Mathematical Journal Vol. 54 Number 1 December 2007 79-88

ON Condition (E'P).

Authors:A. Golchin
Journal:Sciences, Islamic Republic of Iran 17(4): 343-349 (2006)

Flatness and Coproducts

Authors:A. Golchin
Journal:Semigroup Forum, Vol. 72 (2006) 433-440 (ISI)

Homoflatness on Ideal Extensions

Authors:A. Golchin
Journal:Semigroup Forum, 70(2005), Springer-Verlag, New York Inc, 296-301 (ISI)

On Homo flatness.

Authors:A. Golchin
Journal:Wseas Transaction on Mathematics , Issue 4, Volume 3, October 2004

On Flatness of Acts

Authors:A. Golchin
Journal:Semigroup Forum, 67 (2003), Springer-Verlag, New York Inc, 262-270 (ISI)

Flat Acts that satisfy Condition (P)

Authors:A. Golchin & J. Renshaw
Journal:Semigroup Forum, 59 (1999), Springer-Verlag, New York Inc, 295-309 (ISI)

A Flatness Property of Acts over monoids.

Authors:A. Golchin & J. Renshaw
Journal:Semigroup and Applications: Proceedings of Conference, world scientific, 72-77 (1998)

Periodic Monoids over which all flat cyclic Right Acts satisfy Condition (P)

Authors:A. Golchin & J. Renshaw
Journal:Semigroup Forum, 54 (1997), Springer-Verlag, New York Inc, 261-263 (ISI)
04
Research Interests

(Algebraic) semigroup theory, specically homological properties of (order) semigroups and their (ordered) acts

05
Research Projects

Classification of monoids over which all weakly flat acts satisfy condition (P)

Researcher : A.Golchin , H.Shirin shandiz
Start Date : 2003
End Date :
Place : University of Sistan and Baluchestan

Classification of monoids by Properties of Rees Factor acts

Researcher : A.Golchin , M.Yosefhi
Start Date : 2004
End Date :
Place : University of Sistan and Baluchestan

Monoids over which all acts that are strongly flat or satfsfy condition (P) are projective

Researcher : A.Golchin , A.Safavi Heir
Start Date : 2003
End Date :
Place : University of Sistan and Baluchestan

Flatness and flat cover of acts over a monoid

Researcher : A.Golchin , M.Qourchinejadi
Start Date : 2007
End Date :
Place : University of Sistan and Baluchestan

Equalizer flat and pullback flat acts

Researcher : A.Golchin , H.Saei
Start Date : 2006
End Date :
Place : University of Sistan and Baluchestan

Category of S-Posets

Researcher : A.Golchin , M.Salehi
Start Date : 2006
End Date :
Place : University of Sistan and Baluchestan

Flatness Properties of S-Posets

Researcher : A.Golchin , S.Mohtasham
Start Date : 2006
End Date :
Place : University of Sistan and Baluchestan

Coprducts and Properties of Acts over Monoids

Researcher : A.Golchin
Start Date : 2003
End Date :
Place : University of Sistan and Baluchestan

On Covers of cyclic acts over monoids

Researcher : A.Golchin , M.Abbasi
Start Date : 2007
End Date :
Place : University of Sistan and Baluchestan

Classification of monoids by Properties of Acts

Researcher : A.Golchin , J.Samiey Darooneh
Start Date : 2001
End Date :
Place : University of Sistan and Baluchestan

Classification of monoid over which all (weakly) flat cyclic Acts are strongly flat

Researcher : A.Golchin , H.Taheri
Start Date : 2002
End Date :
Place : University of Sistan and Baluchestan

Pullbacks and Flatness Properties of Acts

Researcher : A.Golchin , S.M.N.Kohsorkhi
Start Date : 2005
End Date :
Place : University of Sistan and Baluchestan

On Diagonal Acts of Monoids

Researcher : A.Golchin , L.Noori
Start Date : 2009
End Date :
Place : University of Sistan and Baluchestan

On classification of Monoids by properties of cofree Acts

Researcher : A.Golchin , M.Raisi
Start Date : 2007
End Date :
Place : University of Sistan and Baluchestan

Flatness Properties of monocyclic acts

Researcher : A.Golchin , J.Hatami
Start Date : 2005
End Date :
Place : University of Sistan and Baluchestan

Kernel flatness of acts (Over monoieds)

Researcher : A.Golchin , L.Paghgheh
Start Date : 2005
End Date :
Place : University of Sistan and Baluchestan

Po-flatness properties of S-posets

Researcher : A.Golchin , S.Rojhani
Start Date : 2006
End Date :
Place : University of Sistan and Baluchestan

Monoids for which all weakly flat cyclic right acts satisfy condition (P)

Researcher : A.Golchin , P.Rezaei
Start Date : 2003
End Date :
Place : University of Sistan and Baluchestan

Classification of monoids by some conditions of their acts

Researcher : A.Golchin , H.M.Mohammadzadeh
Start Date : 2007
End Date :
Place : University of Sistan and Baluchestan

Indecomposable , projective and flat S-Posets

Researcher : A.Golchin , Sh.Motmaen
Start Date : 2007
End Date :
Place : University of Sistan and Baluchestan

Flatness Properties of Poset.

Researcher : A.Golchin , P.Rezaei
Start Date : 2009
End Date :
Place : University of Sistan and Baluchestan

On flatness properties of cyclic S_Posets

Researcher : A.Golchin , M.Shafiei
Start Date : 2010
End Date :
Place : University of Sistan and Baluchestan

Monoids and flatness of Acts.

Researcher : A.Golchin , A.Adib
Start Date : 2005
End Date :
Place : University of Sistan and Baluchestan

Some new characterization of right cancellative monoids by properties of acts

Researcher : A.Golchin , S.Maleki
Start Date : 2010
End Date :
Place : University of Sistan and Baluchestan

Flatness properties of Poset A(I) and Rees factor posets

Researcher : A.Golchin , N.Mohammad rashidi
Start Date : 2010
End Date :
Place : University of Sistan and Baluchestan

(Principally) Weakly (Po-) flatness properties of S-Posets

Researcher : A.Golchin , Z.Azadi
Start Date : 2010
End Date :
Place : University of Sistan and Baluchestan

Conditions (WP) and (PWP) of Acts over Monoids

Researcher : A.Golchin , H.R.Kahkha
Start Date : 2009
End Date :
Place : University of Sistan and Baluchestan

Equalizer and flatness properties of Acts

Researcher : A.Golchin , E.Khodaparast
Start Date : 2009
End Date :
Place : University of Sistan and Baluchestan

On monoids for which Condition (P) of acts are strongly flat

Researcher : A.Golchin, J. Golzarpoor
Start Date : 2010
End Date :
Place : University of Sistan and Baluchestan

Weak pullback flatness of right Rees factor S-acts

Researcher : A. Golchin, KH. Hasani
Start Date : 2011
End Date :
Place : University of Sistan and Baluchestan

Classification of Pomonoids by their Rees factor S-posets

Researcher : A. Golchin, M. Abedinejad
Start Date : 2011
End Date :
Place : University of Sistan and Baluchestan

On homological classification of pomonoids by regular weak injectivity properties of S-posets

Researcher : A. Golchin, M. Enhesari
Start Date : 2011
End Date :
Place : University of Sistan and Baluchestan

Classification of Monoids by properties of C(CC)- injectivity of Acts

Researcher : A. Golchin, S. Saraylo
Start Date : 2011
End Date :
Place : University of Sistan and Baluchestan

On a generalization of Condition (E) and strong flatness

Researcher : A. Golchin, M.R. Rahmati
Start Date : 2011
End Date :
Place : University of Sistan and Baluchestan

Projective, Strongly flat and Condition (P) covers of (Cyclic) Acts over monoids

Researcher : A.Golchin, F. Rezaei
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Tensor Products and Preservation of Limits for Acts over monoids

Researcher : A.Golchin, L.Karvand
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Poperfect Pomonoids

Researcher : A.Golchin, M.R.Zamani
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Strongly Flat and Condition (P) of S-posets and their Covers

Researcher : A. Golchin, T.Paskamary
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Lazard's Theorem for S-posets

Researcher : A.Golchin, M.S.Taghinejad
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Regular injectivity of S-posets over Clifford Pomonoids

Researcher : A.golchin, F.Houshmand
Start Date :
End Date : 2011
Place : University of Sistan and Baluchestan

Absolutely Annihilator-Flat Monoids

Researcher : A.Golchin, R.Aminizadeh
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

On Rees Weakly Projective Right Acts

Researcher : A.Golchin, J.Jahantigh
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

Characterization of Monoids by Regular Right Acts

Researcher : A.Golchin, H.Yasami
Start Date :
End Date : 2012
Place : University of Sistan and Baluchestan

On Relative Quasi-projective Acts over Monoids

Researcher : A.Golchin, N.Naseri
Start Date :
End Date : 2013
Place : University of Sistan and Baluchestan

On Monoids over which all strongly flat right S-acts are regular and all cyclic flat right S-acts satisfy Condition (E)

Researcher : A. Golchin, A. Akbari
Start Date :
End Date : 2013
Place : University of Sistan and Baluchestan

On Torsionless and Dense Acts

Researcher : A. Golchin, H. Hashemi
Start Date :
End Date : 2013
Place : University of Sistan and Baluchestan

On weakly projective amalgams

Researcher : A. Golchin , Z. Khaki
Start Date : 2013
End Date :
Place : University of Sistan and Baluchestan

Prime and Semiprime acts over monoids with zero

Researcher : A.Golchin, Z. Moudi
Start Date : 2013
End Date :
Place : University of Sistan and Baluchestan

On 2-absorbing commutative semigroups and their applications to rings

Researcher : A. Golchin, M. Modravani
Start Date :
End Date : 2013
Place : University of Sistan and Baluchestan

Strongly 2-absorbing subacts of acts over monoids and Strongly torsion free, E-torsion free and R-torsion free acts over monoids

Researcher : A. Golchin, A.Z. Moghanjoghi
Start Date :
End Date : 2013
Place : University of Sistan and Baluchestan

On Flatness Properties of Product Acts and Posets

Researcher : A.Golchin, L.Nouri
Start Date : 2009
End Date : 2014
Place : University of Sistan and Baluchestan, Iran

Principal weak flatness and regularity of diagonal acts

Researcher : A.Golchin , A. Zolala
Start Date :
End Date : 2014
Place : University of Sistan and Baluchestan

On the homological classification of pomonoids and atomic posemilattices by properties of cyclic S-poset

Researcher : A.Golchin, M.Zouravar Ghasemi
Start Date :
End Date : 2014
Place : University of Sistan and Baluchestan

The Characterizations of Monoids by the Generalizations of Condition (P)

Researcher : A.Golchin, M. Seeidyan
Start Date :
End Date : 2015
Place : University of Sistan and Baluchestan

On a generalization of principal weak flatness property

Researcher : A.Golchin, M.H. Vazirimehr
Start Date :
End Date : 2015
Place : University of Sistan and Baluchestan