Jul 30 2024

Frontiers in Complexity Theory: A Graduate Workshop

Information
Tuesday, July 30, 2024 - Friday, August 2, 2024
9:00 AM - 5:00 PM
Type: Workshops
Organizer(s): Roei Tell | Lijie Chen | Ryan Williams
This summer DIMACS will hold an advanced workshop for graduate students in complexity theory Our goal is to bring together up and coming complexity researchers and introduce them to some recent exciting lines of research in the field Workshop attendance does not require specific prior knowledge beyond interest in complexity
Jul 15 2024

DIMACS Tutorial on Fine-grained Complexity

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Monday, July 15, 2024 - Friday, July 19, 2024
8:00 AM - 5:00 PM
Type: Workshops
Organizer(s): Amir Abboud | Nick Fischer | Karthik C.S.

A traditional goal of complexity theory is to distinguish between problems that are computationally tractable and those that are not The tractable so called easy problems are solvable in polynomial time and form the complexity class P From a practical standpoint however even problems solvable in cubic or quadratic time

Jul 02 2024

Complexity of combinatorial log-concave inequalities

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Tuesday, July 2, 2024
11:45 AM - 12:45 PM
Type: Seminars | REU Seminar
Presenter(s): Swee Hong Chan - Rutgers University
Organizer(s): Lazaros Gallos
A sequence of nonnegative real numbers a 1, a 2, ldots, a n , is log-concave if a i 2 geq a i-1 a i 1 for all i ranging
Jun 25 2024

Fair Claims Resolution

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Tuesday, June 25, 2024
12:00 PM - 1:00 PM
Type: Seminars | REU Seminar
Presenter(s): Martin Loebl - Charles University
Organizer(s): Lazaros Gallos

I will speak about some aspects of fair claims resolution, which includes, e.g., resolution by a central authority, by markets autonomous agents , by a fix-point theorem, and even by

Jun 19 2024

Modern Generative AI and its implications for the future

Information
Wednesday, June 19, 2024
12:00 PM - 1:00 PM
Type: Seminars | REU Seminar
Presenter(s): Sinan Ozdemir - LoopGenius
Organizer(s): Lazaros Gallos
Modern AI like GPT, Llama, Stable Diffusion are already changing the way companies work, protect their data, and spend their money. We will explore how AI is innovating the way
Jun 16 2024

Reconnect 2024: AI for Security and Security for AI

Information
Sunday, June 16, 2024 - Wednesday, June 19, 2024
3:00 PM - 3:00 PM
Type: Workshops
Organizer(s): Margaret (Midge) Cozzens | Vivek Singh

Reconnect workshops expose faculty teaching undergraduates to current applications of mathematical and computational sciences and provide an opportunity for government or industry professionals to learn about recent research in related areas The topic will be presented over the course of 3 days in a series of lectures and activities Participants

Jun 06 2024

DIMACS Workshop on Modeling Randomness in Neural Network Training: Mathematical, Statistical, and Numerical Guarantees

Information
Thursday, June 6, 2024 - Saturday, June 8, 2024
8:00 AM - 5:00 PM
Type: Workshops
Organizer(s): Ioana Dumitriu | Tony Chiang | Anand Sarwate
For the most up to date information about this event please see the workshop s main webpage Neural networks NNs are at the heart of modern machine learning and artificial intelligence ML AI systems The rapid development of these technologies has led to adoption across a variety of domains particularly
May 06 2024

DIMACS Workshop on Efficient Algorithms for High Dimensional Metrics: New Tools

Information
Monday, May 6, 2024 - Thursday, May 9, 2024
8:45 AM - 4:00 PM
Type: Workshops
Organizer(s): Barna Saha | Alexandr Andoni | Michal Koucký | Mike Saks

There are many open questions concerning algorithms related to distance measures that are not given by a norm such as edit distance Ulam distance earth mover distance Wasserstein metric and Frechet distance For each of these measures there are substantial gaps in our understanding of fundamental algorithmic problems such as

May 01 2024

Fourier Growth of Communication Protocols for XOR Functions

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Wednesday, May 1, 2024
11:00 AM - 12:00 PM
Type: Seminars | Theoretical Computer Science Seminar
Presenter(s): Uma Girish - Princeton University
Fourier growth of a Boolean function refers to the growth of the sum of absolute values of the level-k Fourier coefficients. Intuitively, functions with small Fourier growth cannot aggregate many
Apr 29 2024

An Exotic Growth Rate in Ramsey Theory

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Monday, April 29, 2024
2:00 PM - 3:00 PM
Type: Seminars | Rutgers Discrete Mathematics Seminar
Presenter(s): Xiaoyu He - Princeton University
The vast majority of natural Ramsey numbers studied to date have polynomial or exponential growth rates. We give a hypergraph Ramsey number - perhaps the simplest of its kind -
Apr 25 2024

Effectively Multiplication- and Division-Free Residue Number Systems

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Thursday, April 25, 2024
5:00 PM - 6:00 PM
Type: Seminars | Experimental Math Seminar
Presenter(s): Eugene Zima - Wilfrid Laurier University
Several methods of selection of moduli in modular arithmetic are considered. With the proposed choice of moduli both modular reduction of an integer and reconstruction from modular images are accelerated.
Apr 24 2024

Beyond Worst-case Guarantees for Sequential Prediction: Robustness via Abstention

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Wednesday, April 24, 2024
11:00 AM - 12:00 PM
Type: Seminars | Theoretical Computer Science Seminar
Presenter(s): Surbhi Goel - University of Pennsylvania
In this talk, we will focus on the problem of sequential prediction over a stochastic sequence with an adversary that is allowed to inject clean-label adversarial (or out-of-distribution) examples as
Apr 24 2024

Four Proofs of Subset Sums

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Wednesday, April 24, 2024
12:15 PM - 1:15 PM
Type: Seminars | Graduate Combinatorics Seminar
Presenter(s): Quentin Dubroff - Rutgers University
I'll give four different proofs of the result that any set of n positive integers with distinct subset sums contains an element larger than 2^{n-2}/sqrt{n}. Along the way, we'll see
Apr 22 2024

Local Structure of Graphs of Large K_r-free Chromatic Number

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Monday, April 22, 2024
2:00 PM - 3:00 PM
Type: Seminars | Rutgers Discrete Mathematics Seminar
Presenter(s): Aristotelis Chaniotis - University of Waterloo
For r>=2, the K_r-free chromatic number of a graph G, denoted by χ_r(G), is the minimum size of a partition of the set of vertices of G into parts each
Apr 19 2024

The Challenges and Opportunities in Game Theory for Security

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Friday, April 19, 2024
12:00 PM - 1:30 PM
Type: Seminars | CCICADA Seminar Series in Homeland Security
Presenter(s): Arunesh Sinha - Rutgers University
**This seminar will be held via zoom only. No in person seminar.** Game theory is a very relevant tool to model defender-adversary interaction in physical security problems. However, similar to
Apr 17 2024

Fast Algorithms for Cactus Representation of Minimum Cuts

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Wednesday, April 17, 2024
11:00 AM - 12:00 PM
Type: Seminars | Theoretical Computer Science Seminar
Presenter(s): Zhongtian He - Princeton University
A cactus representation of a graph, introduced by Dinitz et al. in 1976, is an edge sparsifier of O(n) size that exactly captures all global minimum cuts of the graph.
Apr 17 2024

Uniform Spanning Tree

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Wednesday, April 17, 2024
12:15 PM - 1:15 PM
Type: Seminars | Graduate Combinatorics Seminar
Presenter(s): Minhao Bai - Rutgers University
Given a graph, a uniform spanning tree (UST) is defined as a random tree sampled uniformly from all of its spanning trees. How can we program that? Why is this
Apr 11 2024

Eric Angelini's Comma Sequence Part 2

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Thursday, April 11, 2024
5:00 PM - 6:00 PM
Type: Seminars | Experimental Math Seminar
Presenter(s): Natalya Ter-Saakov - Rutgers University
At the beginning of the semester, Neil Sloane introduced the comma sequence (introduced to him by Eric Angelini) that works as follows. Choose your favorite number in your favorite base.
Apr 10 2024

Applications of Tensor Rank to Algorithm Design Beyond Fast Matrix Multiplication

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Wednesday, April 10, 2024
11:00 AM - 12:00 PM
Type: Seminars | Theoretical Computer Science Seminar
Presenter(s): Kevin Pratt - New York University (NYU)
In 1969, Strassen observed that the computational complexity of matrix multiplication is determined by the rank of a particular family of trilinear forms (tensors). This turned out to be a
Apr 10 2024

Spread Colorings

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Wednesday, April 10, 2024
12:15 PM - 1:15 PM
Type: Seminars | Graduate Combinatorics Seminar
Presenter(s): Charles Kenney - Rutgers University
The p-random subset X_p of X is given by independently keeping each x in X with probability p (and throwing it away with probability 1-p.) Let H be a nontrivial