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Strong Polarization and Entropy

arXiv:2606.02567v1 Announce Type: cross Abstract: We show that for any set of $n$ unit vectors $v_1,\ldots,v_n$ in a real Hilbert space and positive numbers $p_1,\ldots,p_n$ satisfying $\sum_j p_j = 1$, there exists a unit vector $u$ such that \[ \sum_{j=1}^n \frac{p_j^2}{\langle v_j, u\rangle^2}\leq 1. This inequality is a weighted version of the strong polarization inequality. As immediate corollaries, it yields a polarization inequality for products of powers of linear functionals and a...

arXiv CS 8d ago

Approximation by short exponential sums with geometric error decay based on Gauss quadrature

Announce Type: new Abstract: We present new short exponential sum approximations of length $N$ for $f_1(x)=\frac{1}{a+x}$ with $a>0$ on $[0, \infty)$ and for $f_2(x)= {\mathrm e}^{-x^2/2\sigma}$ with $\sigma>0$ on ${\mathbb R}$ with geometric error decay ${\rho}^{-2N}$ for user-defined $N \ge 2$ and $\rho > The approximations are built over consecutive intervals $[b_j, \, b_{j+1}) \subset [0, \infty)$, $j \in {\mathbb N}_{0}$, with interval lengths that depend on $\rho$ and grow...

arXiv CS 7d ago

Revisiting $O(n \log \log n)$ chaining for anchored edit distance

arXiv:2606.03929v1 Announce Type: new Abstract: Colinear chaining is a classical heuristic for sequence alignment: it enables scalable genome comparison and is a main component of many state-of-the-art read mappers based on seed-chain-extend. The earliest $O(n \log \log n)$ time algorithms by Eppstein et al. (J. ACM, 1992) chained $n$ fragments between two sequences $T$ and $Q$ while minimizing a gap cost based on the diagonal distance $\Delta_{\text{diag}}$ between consecutive fragments.

arXiv CS 7d ago

Deterministic Monotone Min-Plus Product and Convolution

arXiv:2605.07150v2 Announce Type: replace Abstract: The Monotone Min-Plus Product problem is a useful primitive that has seen many algorithmic applications over the past decade. In this problem, we are given two $n\times n$ integer matrices $A$ and $B$, where each row of $B$ is a monotone non-decreasing sequence of integers from $\{1,\dots,n\}$, and the goal is to compute their Min-Plus product, defined as the $n\times n$ matrix $C$ with $C_{i,j} = \min_{k}\{A_{i,k} + B_{k,j}\}$. The fastest...

arXiv CS 9d ago

Classification of independent sets in signed Johnson graphs and applications to kissing arrangements

Announce Type: new Abstract: Johnson graph are a family of graphs that play an important role in the theory of constant-weight codes, extremal combinatorics, and combinatorial geometry. We study signed analogues of classical Johnson graphs, denoted by $J_\pm(n,k)$, whose vertices are vectors of the form $\pm e_{i_1}\pm\cdots\pm e_{i_k}$, where two vertices are adjacent whenever their dot product equals $k-1$. We are particularly interested in maximum independent sets in the case $k=4$. An...

arXiv CS 7d ago

DAVID MARCUS: 5 blatant lies Democrats are spreading about Delaney Hall and ICE

Democratic elected officials and far-left agitators have teamed up in the past week to manufacture a chaotic crisis at Delaney Hall, an ICE detention facility in Newark, New Jersey, and it is a conflagration fueled almost entirely by blatant lies. It began with Sen. Andy Kim, D-N.J., being pepper sprayed when he decided to spend his Memorial Day marching with Antifa thugs, under their flag, while pretending he just wanted to visit the facility. Less than two days later, Reps. Jerry Nadler...

Fox News 8d ago

Plastic surgeon who testified for 1993 WTC bombing cleric wins NJ Dem primary

A pro-Palestinian plastic surgeon in New Jersey who testified as a witness in a major terrorism case on behalf of a convicted Islamic cleric won election in the New Jersey primary. Adam Hisham Hamawy, a former Army combat medic born in Egypt, won a 12-way Democratic primary contest for a solidly blue House seat, according to The Associated Press. Hamawy was considered to be the frontrunner to succeed retiring Trenton-area Rep. Bonnie Watson-Coleman, D-N.J., and garnered support from the...

Fox News Politics 7d ago

Dems pick challenger for GOP congressman who vanished from public view amid health mystery

Democrat Rebecca Bennett will face Rep. Tom Kean Jr., R-N.J., an embattled lawmaker sidelined for months by an undisclosed health issue, in November’s general election. Bennett, a former Navy helicopter pilot, won the Democratic nomination in a crowded primary for a battleground New Jersey House seat, according to The Associated Press. Kean, who has not appeared in public since early March, ran unopposed for the GOP nomination.

Fox News Politics 7d ago

Dems pick challenger for GOP congressman who vanished from public view amid health mystery

Democrat Rebecca Bennett will face Rep. Tom Kean Jr., R-N.J., an embattled lawmaker sidelined for months by an undisclosed health issue, in November’s general election. Bennett, a former Navy helicopter pilot, won the Democratic nomination in a crowded primary for a battleground New Jersey House seat, according to The Associated Press. Kean, who has not appeared in public since early March, ran unopposed for the GOP nomination.

Fox News 7d ago

Plastic surgeon who testified for 1993 WTC bombing cleric wins NJ Dem primary

A pro-Palestinian plastic surgeon in New Jersey who testified as a witness in a major terrorism case on behalf of a convicted Islamic cleric won election in the New Jersey primary. Adam Hisham Hamawy, a former Army combat medic born in Egypt, won a 12-way Democratic primary contest for a solidly blue House seat, according to The Associated Press. Hamawy was considered to be the frontrunner to succeed retiring Trenton-area Rep. Bonnie Watson-Coleman, D-N.J., and garnered support from the...

Fox News 7d ago