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A Comparative Study of Exponential Sum-Connectivity and Product-Connectivity Gourava Indices for Benzenoid Hydrocarbons

arXiv:2606.05989v1 Announce Type: new Abstract: In this work, the exponential sum-connectivity Gourava index ($e^{SGO(G)}$) and the exponential product-connectivity Gourava index ($e^{PGO(G)}$) are computed and comparatively analyzed for benzenoid hydrocarbons. Our results demonstrate that these descriptors exhibit a strong mutual correlation and provide enhanced sensitivity in modeling the structural characteristics of molecular graphs. Regression analysis reveals that both indices are...

arXiv Physics 5d ago

A Comparative Study of Exponential Sum-Connectivity and Product-Connectivity Gourava Indices for Benzenoid Hydrocarbons

Announce Type: replace Abstract: In this work, the exponential sum-connectivity Gourava index ($e^{SGO(G)}$) and the exponential product-connectivity Gourava index ($e^{PGO(G)}$) are computed and comparatively analyzed for benzenoid hydrocarbons. Our results demonstrate that these descriptors exhibit a strong mutual correlation and provide enhanced sensitivity in modeling the structural characteristics of molecular graphs. Regression analysis reveals that both indices are exceptionally...

arXiv Physics 1d ago

ScatterPrism: convergence for generative simulation and inverse problems in particle and nuclear physics

arXiv:2604.01313v2 Announce Type: replace Abstract: High-fidelity simulations and complex inverse problems, such as detector modeling and unfolding, are computationally intensive bottlenecks across subatomic physics, yet essential for accurate physical interpretation. While Conditional Flow Matching (CFM) offers a robust acceleration approach, we demonstrate its standard training loss is fundamentally misleading. Specifically, utilizing a Jefferson Lab Nuclear Physics (NP) kinematic dataset...

arXiv CS 2d ago

ScatterPrism: convergence for generative simulation and inverse problems in particle and nuclear physics

arXiv:2604.01313v2 Announce Type: replace-cross Abstract: High-fidelity simulations and complex inverse problems, such as detector modeling and unfolding, are computationally intensive bottlenecks across subatomic physics, yet essential for accurate physical interpretation. While Conditional Flow Matching (CFM) offers a robust acceleration approach, we demonstrate its standard training loss is fundamentally misleading. Specifically, utilizing a Jefferson Lab Nuclear Physics (NP) kinematic...

arXiv Physics 2d ago

Paseo – Beautiful open-source coding agent interface (desktop, mobile, CLI)

One interface for Claude Code, Codex, Copilot, OpenCode, and Pi agents. Run agents in parallel on your own machines. Ship from your phone or your desk. - Self-hosted: Agents run on your machine with your full dev environment.

Hacker News 7d ago

RIP software hackathons. Long live the hardware hackathon

I took part in a hackathon in Vilnius the other weekend (courtesy of Basedcollective) during the pink soup festival. I brought along an old rotary phone and our two-man team spent the next 48 hours sticking our fingers in it. We wired a Raspberry Pi into the phone which interfaced with all of its IO and communicated with our server via a single websocket connection which controlled everything from two-way audio, the bell ringer (with custom frequency and audio patterns) and the hangup switch.

Hacker News 17h ago

Ask HN: What are tools you have made for yourself since the advent of AI?

I've made a number of ceramic molds for slumping fused glass into bowls. As well as wooden templates for ceramic mugs. I've devised a few carrying tools to move glass frit paintings from my studio down to my barn where the kilns sit without spilling the glass.

Hacker News 1d ago