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The R package MixMashNet provides an integrated framework for estimating and analyzing single and multilayer networks using Mixed Graphical Models (MGMs), accommodating continuous, count, and categorical variables. In the multilayer…

A polynomial is presented that models a topological knot in a unique manner. It distinguishes all types of knots including the orientation and has a group theory interpretation. The topologies may be labeled via a number, which upon a base…

General Physics · Physics 2007-05-23 Gordon Chalmers

We construct new knot polynomials. Let $V$ be the standard solid torus in 3-space and let $pr$ be its standard projection onto an annulus. Let $M$ be the space of all smooth oriented knots in $V$ such that the restriction of $pr$ is an…

Geometric Topology · Mathematics 2007-05-23 Thomas Fiedler

We introduce a notion of intrinsic linking and knotting for virtual spatial graphs. Our theory gives two filtrations of the set of all graphs, allowing us to measure, in a sense, how intrinsically linked or knotted a graph is; we show that…

Geometric Topology · Mathematics 2014-10-01 Thomas Fleming , Blake Mellor

We present a braid-theoretic approach to combinatorially computing knot Floer homology. To a knot or link K, which is braided about the standard disk open book decomposition for (S^3,\xi_std), we associate a corresponding multi-pointed nice…

Geometric Topology · Mathematics 2013-12-20 Peter Lambert-Cole , Michaela Stone , David Shea Vela-Vick

Symmetric monoidal categories (SMCs) are a common framework for reasoning about computation, focusing on the parallel and sequential compositionality of operations. String diagrams are a ubiquitous and powerful tool for reasoning about…

Logic in Computer Science · Computer Science 2026-05-26 Benjamin Caldwell , William Spencer , Aleks Kissinger , Robert Rand

Since Knowledge Graphs are often incomplete, link prediction methods are adopted for predicting missing facts. Scalable embedding based solutions are mostly adopted for this purpose, however, they lack comprehensibility, which may be…

Artificial Intelligence · Computer Science 2025-08-13 Roberto Barile , Claudia d'Amato , Nicola Fanizzi

Relational data mining is becoming ubiquitous in many fields of study. It offers insights into behaviour of complex, real-world systems which cannot be modeled directly using propositional learning. We propose Symbolic Graph Embedding…

Machine Learning · Computer Science 2019-10-30 Blaz Škrlj , Jan Kralj , Nada Lavrač

Large language models show great potential in unstructured data understanding, but still face significant challenges with graphs due to their structural hallucination. Existing approaches mainly either verbalize graphs into natural…

Computation and Language · Computer Science 2026-02-03 Jingyao Wu , Bin Lu , Zijun Di , Xiaoying Gan , Meng Jin , Luoyi Fu , Xinbing Wang , Chenghu Zhou

We present a complete classification of spherical knotoids with up to six crossings and conjecture that our classification up to seven crossings is complete. Our work extends the tradition of knot tabulation to the setting of knotoids…

Geometric Topology · Mathematics 2026-03-09 Boštjan Gabrovšek , Paolo Cavicchioli

The study of a certain class of matrix integrals can be motivated by their interpretation as counting objects of knot theory such as alternating prime links, tangles or knots. The simplest such model is studied in detail and allows to…

Mathematical Physics · Physics 2009-09-25 P. Zinn-Justin

Understanding topological features in networks is crucial for unravelling complex phenomena across fields such as neuroscience, condensed matter, and high-energy physics. However, identifying higher-order topological structures -- such as…

Pulgon-tools is an open-source software package providing building blocks for the analysis and modeling of quasi-one-dimensional (quasi-1D) periodic systems based on line-group theory. While mature libraries exist for space-group detection…

Computational Physics · Physics 2026-03-31 Yu-Jie Cen , Sandro Wieser , Georg K. H. Madsen , Jesús Carrete

Knowledge Graph (KG) alignment aims at finding equivalent entities and relations (i.e., mappings) between two KGs. The existing approaches utilize either reasoning-based or semantic embedding-based techniques, but few studies explore their…

Computation and Language · Computer Science 2021-08-23 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yefeng Zheng

Kuperberg [Algebr. Geom. Topol. 3 (2003) 587-591] has shown that a virtual knot corresponds (up to generalized Reidemeister moves) to a unique embedding in a thichened surface of minimal genus. If a virtual knot diagram is equivalent to a…

Geometric Topology · Mathematics 2014-10-01 H. A. Dye , Louis H. Kauffman

We discuss methods to construct a polynomial parametrization of some interesting knotted surfaces (knotted spheres, knotted tori and knotted planes) and provide examples.

Geometric Topology · Mathematics 2026-02-17 Louis H. Kauffman , Tumpa Mahato , Rama Mishra

Two natural generalizations of knot theory are the study of spatially embedded graphs, and Kauffman's theory of virtual knots. In this paper we combine these approaches to begin the study of virtual spatial graphs.

Geometric Topology · Mathematics 2009-01-10 Thomas Fleming , Blake Mellor

This is the user manual for CosmoLattice, a modern package for lattice simulations of the dynamics of interacting scalar and gauge fields in an expanding universe. CosmoLattice incorporates a series of features that makes it very versatile…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-09 Daniel G. Figueroa , Adrien Florio , Francisco Torrenti , Wessel Valkenburg

The mathematical software system polymake provides a wide range of functions for convex polytopes, simplicial complexes, and other objects. A large part of this paper is dedicated to a tutorial which exemplifies the usage. Later sections…

Combinatorics · Mathematics 2007-05-23 Ewgenij Gawrilow , Michael Joswig

We introduce and study knotoids. Knotoids are represented by diagrams in a surface which differ from the usual knot diagrams in that the underlying curve is a segment rather than a circle. Knotoid diagrams are considered up to Reidemeister…

Geometric Topology · Mathematics 2011-04-14 Vladimir Turaev