Combinatorial and additive number theory seminar (CANT 2026)

number theory

CUNY - Lehman College / CUNY Grad Center

Audience:	Researchers in the topic
Conference dates:	Mon Jul 13 to Sat Jul 18
Organizer:	Mel Nathanson*
	*contact for this listing

Upcoming talks

Past talks

Your time			Speaker	Title
Mon	Jul 13	13:00	Kevin O'Bryant	The Sidon error term
Mon	Jul 13	13:30	Aradhya Goel	Sophie Germain primes and the totient of Fibonacci numbers
Mon	Jul 13	14:00	Peter Pal Pach	On the density of Kravitz sets
Mon	Jul 13	14:30	Jose Ramon Madrid Padilla	Convolution inequalities and applications
Mon	Jul 13	15:00	Mikhail Gabdullin	Moments of the shifted prime divisor function
Mon	Jul 13	15:30	Alfred Geroldinger	On factorizations of zero-sum sequences over abelian torsion groups I
Mon	Jul 13	16:00	David Grynkiewicz	On factorizations of zero-sum sequences over abelian torsion groups
Mon	Jul 13	17:30	Sinan Gunturk	Exponential sums and a conjecture involving quantization of bandlimited functions
Mon	Jul 13	18:00	Ilya Shkredov	On Korobov's optimal coefficients
Mon	Jul 13	19:00	Jared Duker Lichtman	Primitive sets and von Mangoldt chains: Erdős #1196 and beyond
Mon	Jul 13	20:00	Steven Miller’s REU: Probability And Number THeory	Recent advances in generalized MSTD problems and Zeckendorf games
Mon	Jul 13	21:00	Steve Miller	Problem Session
Tue	Jul 14	13:00	Johann Thiel	Generating functions for maximally expanded α-trees
Tue	Jul 14	13:30	Sergei Konyagin	On Sidon sets with squares, cubes and quartics in short intervals
Tue	Jul 14	14:30	Renling Jin	Three-in-one in Ramsey theory
Tue	Jul 14	15:00	Scott Chapman	A surprising characterization of unique factorization domains
Tue	Jul 14	15:30	Akos Magyar	Almost primes solutions to forms of odd degrees in many variables
Tue	Jul 14	17:30	Carl Pomerance	Two topics in combinatorial number theory
Tue	Jul 14	18:30	Maksym Radziwill	Exponential sums over primes
Tue	Jul 14	19:00	Krishnaswami Alladi	Duality between prime factors and prime numbers in arithmetic progressions
Tue	Jul 14	20:00	George Andrews	The mystery of two-color partitions with distinct parts
Tue	Jul 14	21:00	Krishnaswami Alladi	Problem session
Wed	Jul 15	13:00	Sukumar Das Adhikar	A pearl of number theory: Some old and new applications
Wed	Jul 15	13:30	Jinhui Fang	Minimal asymptotic bases related to G-adic sequences
Wed	Jul 15	14:00	Ivan V. Morozov	On quotients of a more general theorem of Wilson
Wed	Jul 15	14:30	Jeffrey C. Lagarias	The Collatz problem: Progress and perspectives
Wed	Jul 15	15:30	Mel Nathanson	Three problems in additive number theory
Wed	Jul 15	17:30	Steven Senger	Nathanson’s triangular gap question
Wed	Jul 15	18:00	Alisa Sedunova	Euler-Kronecker constants of maximal real cyclotomic subfields and Kummer’s conjecture
Wed	Jul 15	18:30	Alexander Borisov	A structure sheaf for Kirch topology on N
Wed	Jul 15	19:00	Wladimir Pribitkin	Simple upper bound for the power partition function
Wed	Jul 15	19:30	Trevor Dion Wooley	Strong paucity in systems of diagonal equations
Wed	Jul 15	20:30	Michael Filaseta	On the factorization of a sum of cyclotomic polynomials
Wed	Jul 15	21:00	Steve Senger	Problem Session
Thu	Jul 16	13:00	Arindam Biswas	Asymptotic approximate groups in virtually nilpotent groups
Thu	Jul 16	13:30	Noah Kravitz	Sets with few subset sums
Thu	Jul 16	14:00	Nathan McNew	Matchable numbers
Thu	Jul 16	14:30	Gergely Kiss	Lower bounds for mask polynomials with many cyclotomic divisors
Thu	Jul 16	15:00	Pramana Saldin	Left and right quotient sets in non-abelian groups
Thu	Jul 16	15:30	Jonah Klein	The distortion method and its applications
Thu	Jul 16	16:00	Norbert Hegyvári	Consecutive sums, Sidon sets, convex sequences: Old and new problems
Thu	Jul 16	17:30	Amanda Montejano	Discrete Brunn–Minkowski inequalities
Thu	Jul 16	18:00	Isaac Rajagopal	Possible sizes of sumsets
Thu	Jul 16	18:30	Cosmin Pohoata	Sidon sets in the squares, repeated distances, and the Elekes-Ronyai problem
Thu	Jul 16	19:00	Amita Malik	Lehmer-type partition statistics
Thu	Jul 16	19:30	Sandra Kingan	Deletable edges in 3-connected graphs and their applications
Thu	Jul 16	20:00	C. J. Mozzochi	A new approach to the circle method attack on the m-prime conjecture
Thu	Jul 16	20:30	Kevin O’Bryant	Problem Session
Fri	Jul 17	12:00	Gaurav Kumar	Some identities of the sums-of-tails type
Fri	Jul 17	12:30	Vivekanand Goswami	Restricted set addition in finite abelian groups
Fri	Jul 17	13:00	Semin Yoo	Multiplicative irreducibility of shifted multiplicative subgroups
Fri	Jul 17	13:30	Sándor Kiss	Monotone increasing representation functions
Fri	Jul 17	14:00	Dennis Eichhorn	The combinatorics of sequences that enjoy a curious self-convolutive property
Fri	Jul 17	14:30	Alexander Kalmynim	Sárközy’s conjecture on quadratic residues
Fri	Jul 17	15:00	Mohan	Lehmer-type conjectures and open problems for Nathanson’s totient functions
Fri	Jul 17	15:30	Yasuaki Gyoda	Generalized discrete Lagrange–Markov spectra
Fri	Jul 17	16:00	Philippa Holdridge	The size of certain symmetric differences of sets of integers
Fri	Jul 17	16:30	Paolo Leonetti	Independent families and asymptotic density
Fri	Jul 17	17:00	Neetu	Small doubling in right-ordered groups
Fri	Jul 17	17:30	Veronica Bitonti	Gap sets of random generalized numerical semigroups
Fri	Jul 17	18:00	Salvatore Tringali	Power semigroups and two rigidity theorems for groups
Fri	Jul 17	18:30	Katalin Gyarmati	The taxicab problem for polynomials and generalizations of Mason’s theorem
Fri	Jul 17	19:00	Russell Hendel	Improvements in calculating the recursion satisfied by a family of determinants
Fri	Jul 17	19:30	Manjil P. Saikia	Hook length biases in t-regular and t-core partitions
Fri	Jul 17	20:00	Neranga Fernando	Contributions to the famiily of reversed Dickson polynomials
Fri	Jul 17	20:30	Lindsay Dever	Atoms in the semigroup of non-negative integer matrices
Sat	Jul 18	11:00	Yasuaki Gyoda	Generalized discrete Lagrange–Markov spectra
Sat	Jul 18	12:00	Chahat Ahuja	Visibility of lattice points across polynomial curves
Sat	Jul 18	12:30	Daniel Baczkowski	Building off the ideas of Erdós, Sierpiński, Riesel, and more
Sat	Jul 18	13:00	Eshita Mazumdar	Extending zero-sum theory from abelian to non-abelian groups
Sat	Jul 18	13:30	Krystian Gajdzica	On the Bessenrodt-Ono inequality for polynomials
Sat	Jul 18	14:00	Debyani Manna	Extended Inverse results for restricted h-fold sumset in integer
Sat	Jul 18	14:30	Chi Hoi Yip	Additive properties of multiplicatively defined sets
Sat	Jul 18	15:00	Akshat Mudgal	A structure theorem for sets with doubling 4 + δ
Sat	Jul 18	15:30	Marco Cantarini	Averages of the diagonal Elliott-Halberstam problem twisted by the Möbius function with Sobolev and Hölder-Zygmund weights
Sat	Jul 18	16:00	Aviral Srivastava	Non-Rascoe partitions and a rank parity function associated to the Rogers–Ramanujan partitions
Sat	Jul 18	17:00	Kiseok Yeon	On the density of rational lines on cubic diagonal hypersurfaces
Sat	Jul 18	17:30	Florian Luca	Multiply gleeful numbers
Sat	Jul 18	18:00	Francis Atta Howard	Gertsch quotient living in the “poor man’s adele ring” A: Kurepa-Bell-Wilson congruence
Sat	Jul 18	18:30	Bobby Jacobs	Primes in the Fibonacci ring
Sat	Jul 18	19:00	Augustine O. Munagi	A Bessenrodt-Ono inspired inequality for compositions proved constructively
Sat	Jul 18	19:30	Laurence P. Wijaya	Polynomial corners over finite field
Sat	Jul 18	20:00	Glenn T. Bruda	Generalized polygonal number representations
Sat	Jul 18	20:30	Collier Gaiser	On Rado numbers for equations with unit fractions

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