The 12th Seminar on
Commutative Algebra
and Related Topics

Tehran, November 11 & 12, 2015
(Aban 20 & 21, 1394)

School of Mathematics, IPM


Commutative algebra series of meetings represents a collaborative effort of Iranian commutative algebraists. The 12th Seminar on Commutative Algebra and Related Topics will be held on November 11 & 12, 2015 (Aban 20 & 21, 1394) at the School of Mathematics of IPM, Tehran, Iran.

The goal of this session is to bring together people who are working on commutative algebra and related fields to introduce students and young researchers to the current research topics. Your contribution is highly appreciated.



For the best view, click on the photo.



Mohammad-T. Dibaei (IPM and Kharazmi University,
Raheleh Jafari (IPM and Kharazmi University,
Abbas Nasrollah Nejad (IPM and IASBS, Zanjan,


Invited Speakers:


Mohsen Asgharzadeh, IPM, Iran
Geometric Methods in Algebra: A Question of Monsky in Practice (Abstract)


Jürgen Herzog, Universität GHS-Essen, Germany
Monomial Ideals and Toric Rings Associated with Isotone Maps between Posets (Abstract) (Slideshow)(Back to 1985-Kyoto)

Arash Sadeghi, IPM, Iran
Homological Dimensions of Rigid Modules (Abstract)

Ngo Viet Trung, Institute of Mathematics, VAST, Vietnam 
Depth and Regularity of Powers of Sums of Ideals (Abstract)

Razieh Vahed Dehkordi, IPM, Iran
Covering Techniques in Representation Theory (Abstract)

Contributed Talks:

Rasoul Ahangari Maleki, IPM

Golod Property of Powers of Ideals and of Koszul Ideals (Slideshow)


Razieh Ahmadian, IPM

The Problem of Principalization of Locally Monomial Ideal Sheaves (Slideshow)


Ensiyeh Amanzadeh, IPM

Presentations of Rings with a Chain of Semidualizing Modules (Slideshow)


Bahar Heidaryan, Tarbiat Modares University

Integer-valued Polynomials and PÓlya Fields


Saeed Jahandoust, IPM

Asymptotic Sequences


Fahimeh Khosh-Ahang, Ilam University

A Note on the Rings with Flat Injective Hulls (Slideshow)


Somayeh Moradi, Ilam University

Homological Invariants of the Stanley-Reisner Ring of a k-Decomposable Simplicial Complex (Slideshow)


Ashkan Nikseresht, IASBS, Zanjan

Linear Resolution, Chordality and Ascent of Clutters (Slideshow)


Ahad Rahimi, Razi University

Bi-Cohen-Macaulay Graphs (Slideshow)


Hamid Rahkooy, RISC, Austria

Dual Space of Polynomials and its Applications


Parviz Sahandi, University of Tabriz

Semistar Operations on Graded Integral Domains (Slideshow)


Fatemeh Zareh Khoshchehreh, Buein Zahra Technical University

A Left Derived Functor Similar to $\Tor^{R}_{n}(-,\sim)$



You can see the pdf file of the program here.



You can see the list of participants here.


Registration: (The deadline is over.)

Please, fill out the Registration Form and send it to  with the subject: "12th_commalg-reg".

Registration Fee:

1) Registration fees for Iranian participants:
You can get more information about the registration fee here.

2) Registration fees for international participants:
The registration fee is 100 Euros.

The registration fee for international participants will be due in cash at the time of registration on the first day of the meeting. Please note that standard credit cards; e.g., Visa, Master or AmEXP, cannot be used in Iran.

Registration fee includes: Documentation package, participation in the lectures, lunches coupons, and coffee breaks during the meeting.

Residence fee at IPM guest house is 25 Euros for per night.

Call for Papers:

Papers will be accepted for presentation at the seminar subject to approval by the Organizers. Please send submissions (extended abstract or full paper) electronically (in PDF and Tex formats) to with the subject: "12th_commalg_abstract".


Deadline for submission of paper: October 23, 2015 (Aban 1, 1394)
Deadline for registration: 
October 28, 2015 (Aban 6, 1394)


School of Mathematics, Niavaran Bldg., Niavaran Square, Tehran, Iran

Further Announcement:

Professor Ngo Viet Trung will deliver the following extra talks at the School of Mathematics:

Castelnuovo Mumford Regularity of Ideal Powers, (Abstract)
November 15, 2015, at 14:00-15:00 (24 Aban 1394).

Combinatorial Optimization: a Bridge Between Combinatorics and Algebra,
November 16, 2015, at 14:00-15:00 (25 Aban 1394).

All of these lectures are free of charge and everyone is welcome to attend.

Contact Information:

School of Mathematics,
Tehran, Iran



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