RMS 2025

Schedule



Key points

*: All the Talks (Pleneary, Symposia, Contributed) will take place in the R&D Building of IIIT-Delhi

**: The Lunch & Dinner venue will be the ground floor of Lecture Hall Complex which is at a 3 minutes walk from the R&D Building.

Time 18 Dec 19 Dec 20 Dec
8:00–9:30 Registration / Inauguration (9:15–9:30) Registration Registration
9:30–10:30 Plenary 1 Plenary 3 Plenary 5
10:30–11:00 Tea Tea & Posters Tea & Posters
11:00–13:00 S1–S4
Four 30-min talks
S5–S8
Four 30-min talks
S9–S12
Four 30-min talks
13:00–14:15 Lunch Lunch Lunch
14:25–15:25 S1–S4
Two 30-min talks
S5–S8
Two 30-min talks
S9–S12
Two 30-min talks
15:25–15:45 S1–S4
One 20-min talk
S5–S8
One 20-min talk
S9–S12
One 20-min talk
15:45–16:00 Tea Tea Tea
16:00–17:00 S1–S4
Three 20-min talks
S5–S8
Three 20-min talks
S9–S12
Three 20-min talks
17:00–17:30 Tea & Poster Tea & Posters Tea & Poster
17:30–18:30 Plenary 2 Plenary 4 Plenary 6
18:30–19:30 RMS GBM
19:30– Dinner Dinner Dinner

Symposia List

• S1: Algebraic Geometry
• S2: Discrete Mathematics
• S3: Partial Differential Equation
• S4: Geometry and Topology
• S5: Mathematical Aspects of Computer Science
• S6: Numerical Analysis
• S7: Probability and Statistics
• S8: Representation Theory
• S9: Algebra
• S10: Complex Analysis
• S11: Harmonic and Functional Analysis
• S12: Number Theory


Plenary Speaker's List


Date: 18 Dec 2025
Venue: B003, R&D Building, IIIT-Delhi
Plenary 1:
Speaker: Gurmeet K. Bakshi (Punjab University)
Chair: Nabanita Ray
Talk Title: From Correspondence to Revolution: Dedekind, Frobenius, and the Birth of Modern Algebra

Plenary 2:
Speaker: Kumar Murty ( University of Toronto), (Public)
Chair: Debika Banerjee
Talk Title: Motives, periods and irrationality

Date: 19 Dec 2025
Venue: B003, R&D Building, IIIT-Delhi
Plenary 3:
Speaker: Debdip Ganguly (ISI Delhi)
Chair: Kaushik Kalyanaraman
Talk Title: Functional inequalities: Sharp Constants, Extremals and Stability

Plenary 4:
Speaker: S. Sivaramakrishnan (IIT Bombay)
Chair: Rajiv Raman
Talk Title: Enumerative combinatorics in the Alternating group An and beyond

Date: 20 Dec 2025
Venue: B003, R&D Building, IIIT-Delhi
Plenary 5:
Speaker: Rahul Roy (IIIT-Delhi)
Chair: Manuj Mukherjee
Talk Title: Two models of evolution of species: a probabilistic study

Plenary 6:
Speaker: Jotsaroop Kaur (IISER Mohali)
Chair: Satish Kumar Pandey
Talk Title: On Bochner-Riesz problem


Day-wise talks with titles



Day 1



Schedule for Symposia-1 (Algebraic Geometry)
Venue: A-006
Date: December 18, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Krishan Hanumanthu
(CMI)
Neena Gupta(ISI Kolkata) On Affine forms
11:30–11:55 am Pradip Kumar (Shiv Nadar University) Related to Higgs bundles twisted by a vector bundle
12:00–12:25 pm Ritwik Mukherjee (NISER Bhubaneswar) Counting rational curves with an m-fold point
12:30–12:55 pm Yashonidhi Pandey (IISER Mohali) Bruhat-Tits theory over a higher dimensional base
2:25–2:50 pm Mainak Poddar (IISER Pune) Equivariant principal bundles over toric DM stacks
2:55–3:20 pm Nabanita Ray (IIIT-Delhi) Positivity and base loci of vector bundles
3:25–3:40 pm Rumi Ghosh (IIT Bhubaneswar) An invariant of valuation transcendental extensions and some stability results
4:00–4:15 pm Cyril J. Jacob (IIT Bombay) Lower bounds for Seshadri constants on general blow-ups of P2
4:20–4:35 pm Snehajit Misra (IITISM Dhanbad) On stability of syzygy bundles

Schedule for Symposia-2: Discrete Mathematics
Venue: A-007
Date: December 18, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am SwarupK Panda / S.Pirzada
(IIT Kharagpur / University of Kashmir)
Niranjan Balachandran (IIT Bombay) Fractionally intersecting families: The story thus far
11:30–11:55 am Anshuman Das (Presidency University, Kolkata) Graphs defined on Groups
12:00–12:25 pm Ranjit Mehatari (NIT Rourkela) Planer graphs with abelian automorphism groups
12:30–12:55 pm Pratima Panigrahi (IIT Kharagpur) On some Combinatorial Structures associated with Strongly Regular Graphs and related open problems
2:25–2:50 pm Shariefuddin Pirzada (University of Kashmir) On the eigenvalues of the adjacency matrix of graphs
2:55–3:20 pm Ranveer Singh (IIT Indore) Expressing the permanent of bipartite graphs in terms of determinants
3:25–3:40 pm Somi Gupta (IIT Jammu) A geometric characterization of known maximum scattered linear sets of PG(1, qⁿ)
4:00–4:15 pm Stuti Mohanty (NIT Rourkela) Characterization of families of lines meeting a Hermitian variety of PG(3, q²) in q + 1 points
4:20–4:35 pm Bikramaditya Sahu (NIT Rourkela) A characterization of the family of secant lines to a hyperbolic quadric in PG(3, q), q odd
4:40–4:55 pm Ayushi Trivedi (IIT Delhi) Simplicial degree d self-maps on n-spheres

Schedule for Symposia-3 (Partial Differential Equation)
Venue: A-105
Date: December 18, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Debdip Ganguly / Swarnendu Sil
(ISI Delhi / IISc Bangalore)
Ananta K. Majee (IIT Delhi) Stochastic p-Laplace equation: Large deviation principle and transportation cost information inequality
11:30–11:55 am Tuhina Mukherjee (IIT Jodhpur) On Elliptic PDEs of mixed type
12:00–12:25 pm Ashish Kumar Pandey (IIIT-Delhi) Existence of Wilton Ripples in water wave models
12:30–12:55 pm Prosenjit Roy (IIT Kanpur) Boundary Hardy Inequality
2:25–2:50 pm Swarnendu Sil (IISc Bengaluru) Subelliptic nonlinear Stein theorems
2:55–3:20 pm Jagmohan Tyagi (IIT Gandhinagar) The Neumann problem involving the fractional Laplacian and critical nonlinearities
3:25–3:40 pm Anupama Arora (BITS Pilani) Existence result for double phase system with coupled critical growth
4:00–4:15 pm Vikram Yallapa Naik (BITS Pilani) Brezis–Nirenberg type problem for fractional sub-Laplacian on the Heisenberg group
4:20–4:35 pm Diksha Saini (NSUT) On the system of p-Kirchhoff equation with Hardy potential and Stein–Weiss type critical nonlinearity in ℝⁿ
4:40–4:55 pm Vivek Sahu (ISI Delhi) Weighted fractional Hardy–Sobolev and Hardy–Sobolev–Maz’ya inequalities with singularities on flat submanifold

Schedule for Symposia-4 (Geometry and Topology)
Venue: A-106
Date: December 18, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Tanushree Shah
(CMI)
Suhas Pandit
(IIT Madras)
Heegaard and sutured embeddings of compact 3-manifolds
11:30–11:55 am B. Subhash
(IISER Tirupati)
TBA
12:00–12:25 pm Bankatesh Tiwari
(BHU)
Bankatesh Tiwari
(BHU)
On the Finsler structures associated to some weak metrics
12:30–12:55 pm Tanushree Shah
(CMI)
Contact Structures on 3-manifolds
2:25–2:50 pm Mukut Mani Tripathi
(BHU)
Mukut Mani Tripathi
(BHU)
Casorati inequalities for submanifolds of complex two-plane Grassmannians
2:55–3:20 pm Kashyap Rajeevsarathy
(IISER Bhopal)
TBA
3:25–3:40 pm Dishant M Pancholi/ Suhas J Pandit (IMSc / IIT Madras) Anshu Agarwal
(IIT Delhi)
Regular genus of S2 × S1 × S1, 4-torus, and small covers over Δ2×Δ2
4:00–4:15 pm Shital Lawande
(IAI TCG-CREST)
Surfaces in 4-manifolds and extendable mapping classes
4:20–4:35 pm Ravi Prakash
(JNU)
Twisted conjugacy classes in Lie groups
4:40–4:55 pm Rohan Suresh Mahure
(IISER Bhopal)
On a family of Pseudo-Anosov-Like maps on the infinite ladder surface


Day 2



Schedule for Symposia-5 (Mathematical Aspects of Computer Science)
Venue: A-006
Date: December 19, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Rajiv Raman / Partha Sarathi Mandal
( IIIT-Delhi / IIT Guwahati)
Minati De
(IIT Delhi)
Online Algorithms and Lower Bounds for Geometric Hitting Set
11:30–11:55 am Debajyoti Bera
(IIIT-Delhi)
TBA
12:00–12:25 pm Nikhil Gupta
(IIIT-Delhi)
Towards efficient factorization of multicubic polynomials
12:30–12:55 pm Kaushik Mondal
(IIT Roper)
Dynamic Graphs in Distributed Computing
2:25–2:50 pm Ashutosh Rai
(IIT Delhi)
Mathematics in Computer Science
2:55–3:20 pm Sandeep Sen
(IIT Delhi)
TBA

Schedule for Symposia-6: Numerical Analysis
Venue: A-007
Date: December 19, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Subhashree Mohapatra / Harsha Hutridurga
(IIIT-Delhi / IIT Bombay)
Deepjyoti Goswami
(Tezpur University)
A locally conservative LDG method for the coupled Navier-Stokes and Darcy model
11:30–11:55 am Swanand Khare
(IIT Kharagpur)
Polynomial Inverse Eigenvalue Problem and Applications
12:00–12:25 pm Rekha Khot
(IIT Palakkad)
Virtual Elements for Stokes/Biot–Kirchhoff Bulk–Surface Model
12:30–12:55 pm Chaman Kumar
(IIT Roorkee)
Explicit schemes of order one and half for SDE with switching
2:25–2:50 pm Manas Rachh
(IIT Bombay)
Integral equation methods for simple PDEs in complex geometries
2:55–3:20 pm Chandra Sekhar Seelamantula
(IISc Bengaluru)
Generative Modeling: A Variational Perspective
3:25–3:40 pm Ravindra Kumar
(Vivekananda Global University, Jaipur)
The MHD Ternary Hybrid Nanofluid (Cu–Al2O3–TiO2/H2O) Past a Vertically Radiative Stretching Cylinder in a Porous Medium with Soret and Dufour Effect: A Numerical Study
4:00–4:15 pm Priyanka
(Central University of Haryana)
An orthogonal collocation method for fractional-order advection-diffusion problems
4:20–4:35 pm Aniruddha Seal
(IISc Bangalore)
Higher-order weak Galerkin method for multidimensional time-fractional mobile/immobile diffusion equation
4:40–4:55 pm Rajat Singla Sharma
(Amity University)
A high-performance hybrid block method for direct solution of second-order differential systems

Schedule for Symposia-7 (Probability and Statistics)
Venue: A-105
Date: December 19, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Rahul Roy
(IIIT-Delhi)
Monika Arora
(IIIT-Delhi)
On regression modeling of count data
11:30–11:55 am Monika Bhattacharjee
(IIT Bombay)
Testing high-dimensional means under sparse missing pattern
12:00–12:25 pm Moumanti Poddar
(IISER Pune)
A model of market economics inspired by random walks with long memory
12:30–12:55 pm Neeraja Sahasrabudhe
(IISER Mohali)
TBA
2:25–2:50 pm Priyanka Sen
(IIT Palakkad)
Large sample behaviour of high-dimensional Kendall’s correlation matrices with dependence
2:55–3:20 pm Debleena Thacker
(Durham University)
TBA

Schedule for Symposia-8 (Representation Theory)
Venue: A-106
Date: December 19, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Punita Batra
(HRI)
Shiv Prakash Patel
(IIT Delhi)
Distinguished representations for SL(n, F)
11:30–11:55 am Dilpreet Kaur
(IIT Jodhpur)
Conjugacy Classes and Irreducible Representations of a Finite Group
12:00–12:25 pm Tanusree Khandai
(IISER Mohali)
Local Weyl Modules and their tensor products
12:30–12:55 pm Mrigendra Singh Kushwaha
(University of Delhi)
Crystals for Kostant-Kumar modules for affine Lie algebra
2:25–2:50 pm Sameer Kumar Hazra
(Gitam University)
TBA
2:55–2:20 am Sushil Bhunia
(BITS Pilani, Hyderabad)
Twisted conjugacy classes in groups
3:25–3:40 pm Pradeep Bisht
(HRI)
Integral modules of ma full toroidal Lie algebras
4:00–4:15 pm Punya Plaban Satpathy
(IMA, Bhubaneswar)
Borel-Serre type bordifications and canonical pairs for loop groups
4:20–4:35 pm Nabajit Talukdar
(Cotton University)
Results in the kernel of non-linear irreducible characters of some p-groups


Day 3



Schedule for Symposia-9 (Algebra)
Venue: A-006
Date: December 20, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Jugul Verma
(IIT Gandhinagar)
Rajat Kanti Nath
(Tezpur University)
Centralizers of finite groups and rings
11:30–11:55 am Pooja Singla
(IIT Kanpur)
On real conjugacy classes and real representations of the general linear groups of degree two over the principal ideal local rings
12:00–12:25 pm Pooja Singla
(IIT Kanpur)
Sourav Ghosh
(Ashoka University)
Jordan projections and finite step rigidity
12:30–12:55 pm Ritumoni Sarma
(IIT Delhi)
Cyclotomic polynomials - An application to Coding Theory
2:25–2:50 pm Ritumoni Sarma
(IIT Delhi)
Sugandha Maheshwary
(IIT Roorkee)
Conjugacy relations and character fields of finite groups
2:55–3:20 pm Mahender Singh
(IISER Mohali)
Linear representations and crystallographic quotients of virtual Artin groups
3:25–3:40 pm G K Bakshi / Manoj K Yadav
(Punjab University / HRI)
Mamta Balodi
(IIT Gandhinagar)
Cyclic cohomology of entwining structures
4:00–4:15 pm Om Prakash Bhardwaj
(CMI)
Buchsbaumness of finite compliment simplicial affine semigroups
4:20–4:35 pm Sartaj Ul Hasan
(IIT Jammu)
Local Permutation Polynomials and Related Enumeration Results
4:40–4:55 pm Amit Roy
(CMI)
On the homological shifts of cover ideals of Cohen-Macaulay graphs

Schedule for Symposia-10: (Complex Analysis)
Venue: A-007
Date: December 20, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Anwoy Maitra / K.S. Charak
(IIT Madras / University of Jammu)
Sarika Verma
(University of Jammu)
On the Count and Location of Zeros of Complex Harmonic Polynomials
11:30–11:55 am Sushil Gorai
(IISER Kolkata)
Polynomial convexity and dynamical system in the context of totally real subspaces
12:00–12:25 pm Diganta Borah
(IISER Pune)
Limits of an increasing sequence of Riemann surfaces
12:30–12:55 pm Indrajit Lahiri
(University of Kalyani)
A survey on a conjecture of Rainer Bruck
2:25–2:50 pm A. Sairam Kaliraj
(IIT Ropar)
On Zeros of Harmonic Polynomials
2:55–3:20 pm Sayani Bera
(Indian Association for the Cultivation of Science)
Rigidity of Greens measure of Hénon maps
3:25–3:40 pm Alana John
(SRM University–AP)
Hermitian Toeplitz determinant for certain meromorphic univalent functions
4:00–4:15 pm Sushil Kumar
(Bharati Vidyapeeth’s College of Engineering)
Close-to-convex functions associated with a bounded domain in the right half-plane
4:20–4:35 pm Sanjit Pal
(Sreenidhi University, Hyderabad)
Pre-Schwarzian and Schwarzian norms estimates for Janowski class functions
4:40–4:55 pm Navneet Lal Sharma
(IIT Indore)
On logarithmic coefficient inequalities for certain of analytic functions

Schedule for Symposia-11 (Harmonic and Functional Analysis)
Venue: A-105
Date: December 20, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Aparajita Dasgupta / Prahllad Deb (IIT Delhi / IIIT-Delhi) Ramiz Reza
(IISER TVM)
Higher order weighted Dirichlet type spaces with polysuperharmonic weights and Dirichlet type operators of finite order
11:30–11:55 am Suparna Sen
(University of Calcutta)
On a generalised Beurling’s Uncertainty Principle
12:00–12:25 pm Sutanu Roy
(IIT Bombay)
Complex quantum planes as braided quantum groups
12:30–12:55 pm Divyang Bhimani
(IISER Pune)
TBA
2:25–2:50 pm Sayan Bagchi
(IISER Kolkata)
TBA
2:55–3:20 pm Santanu Sarkar
(IIT Ropar)
Some aspects of vector valued de Branges spaces and functional models
3:25–3:40 pm Jyotirmay Das
(TCG CREST)
Representation of the Möbius group on a reproducing kernel Hilbert space
4:00–4:15 pm Shubham Jain
(ISI Bangalore)
On modules of the Hardy space of Hartogs triangle
4:20–4:35 pm Bhaskar Paul
(IIT Bhilai)
On ΓE(3;3;1,1,1)-Contraction, ΓE(3;2;1,2)-Contraction, Their Canonical Decomposition and Conditional Dilation
4:40–4:55 pm Shivam Kumar Singh
(NSUT Delhi)
On a generalization of a weighted composition differentiation operator on weighted Dirichlet-type space

Schedule for Symposia-12 (Number Theory)
Venue: A-106
Date: December 20, 2025

Time Chair of the Talks Speaker
(Affiliation)
Title of the Talk
11:00–11:25 am Sneha Chaubey / Neelam Saikia, (IIIT-Delhi / IIT Bhubaneswar) Debika Banerjee
(IIIT-Delhi)
Different aspects of Piltz Divisor Functions with Congruence Conditions
11:30–11:55 am Sudhir Kumar Pujahari
(NISER Bhubaneswar)
Prime scattering geodesic theorem
12:00–12:25 pm Krishnan Rajkumar
(JNU)
On the distribution of points of valuation 1 for a polynomial in two Variables
12:30–12:55 pm Biplab Paul
(IIT Bhubaneswar)
Variants of Kohnen’s conjecture for Hermitian modular forms
2:25–2:50 pm Saurabh Kumar Singh
(IIT Kanpur)
TBA
2:55–3:20 pm Divyum Sharma
(BITS Pilani)
Integers and their powers in two ‘unrelated’ number systems
3:25–3:40 pm Mohammad Ahamad
(National Defense Academy Pune)
Properties of bilateral Mock theta functions and their Lerch transcendent
4:00–4:15 pm Shivani Goel
(CMI)
Moments of cubic Dirichlet L-functions over function fields
4:20–4:35 pm Khyati Khurana
(IIT Ropar)
Explicit integral representation containing the error term in Piltz divisor problem with congruence conditions
4:40–4:55 pm Sandeep Singh
(Akal University)
On dilated sumsets in the additive group of integers