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There are various results connecting ranks of incidence matrices of graphs and hypergraphs with their combinatorial structure. Here, we consider the generalized incidence matrix $N_2$ (defined by inclusion of pairs in edges) for one natural…

组合数学 · 数学 2014-08-29 Peter J. Dukes , Kseniya Garaschuk

Accurate prediction of RNA secondary structure underpins transcriptome annotation, mechanistic analysis of non-coding RNAs, and RNA therapeutic design. Recent gains from deep learning and RNA foundation models are difficult to interpret…

生物大分子 · 定量生物学 2026-03-25 Zhiyuan Chen , Zhenfeng Deng , Pan Deng , Yue Liao , Xiu Su , Peng Ye , Xihui Liu

Entanglement is a fundamental resource for many applications in quantum information processing. Here, we investigate how quantum transport in simple quantum graphs, modeled as controlled two-level quantum systems, can be utilized to…

量子物理 · 物理学 2025-10-24 Alison A. Silva , D. Bazeia , Fabiano M. Andrade

We use stable maps, and their stable lifts to the Semple bundle variety of second-order curvilinear data, to calculate certain characteristic numbers for rational plane curves. These characteristic numbers involve first-order (tangency) and…

代数几何 · 数学 2007-05-23 Susan Jane Colley , Lars Ernstrom , Gary Kennedy

We view the folding of RNA-sequences as a map that assigns a pattern of base pairings to each sequence, known as secondary structure. These preimages can be constructed as random graphs (i.e. the neutral networks associated to the structure…

adap-org · 物理学 2008-02-03 Christian V. Forst , Christian Reidys , Jacqueline Weber

We characterize non-perturbatively the R\'enyi entropies of degree n=2,3,4, and 5 of three-dimensional, strongly coupled many-fermion systems in the scale-invariant regime of short interaction range and large scattering length, i.e. in the…

量子气体 · 物理学 2016-10-12 William J. Porter , Joaquín E. Drut

We give a formula for the duality structure of the 3-manifold obtained by doing zero-framed surgery along a knot in the 3-sphere, starting from a diagram of the knot. We then use this to give a combinatorial algorithm for computing the…

几何拓扑 · 数学 2018-10-24 Allison N. Miller , Mark Powell

The ongoing effort to detect and characterize physical entanglement in biopolymers has so far established that knots are present in many globular proteins and also abound in viral DNA packaged inside bacteriophages. RNA molecules, on the…

生物大分子 · 定量生物学 2014-10-08 Cristian Micheletti , Marco Di Stefano , Henri Orland

We extend the entanglement bootstrap approach to (3+1)-dimensions. We study knotted excitations of (3+1)-dimensional liquid topological orders and exotic fusion processes of loops. As in previous work in (2+1)-dimensions, we define a…

高能物理 - 理论 · 物理学 2024-02-29 Jin-Long Huang , John McGreevy , Bowen Shi

It is known that three-body contact interactions in one-dimensional $n(\geq3)$-body problems of nonidentical particles can be topologically nontrivial: they are all classified by unitary irreducible representations of the pure twin group…

量子物理 · 物理学 2024-01-23 Satoshi Ohya

The prediction of single particle level crossing phenomenon between $2p_{3/2}$ and $1f_{5/2}$ orbitals in $Ni$- and $Cu$-isotopic chains by the finite range simple effective interaction without requiring the tensor part is discussed. In…

核理论 · 物理学 2022-08-31 P. Bano , X. Viñas , T. R. Routray , M. Centelles , M. Anguiano , L. M. Robledo

Tolerance graphs model interval relations in such a way that intervals can tolerate a certain degree of overlap without being in conflict. This subclass of perfect graphs has been extensively studied, due to both its interesting structure…

计算复杂性 · 计算机科学 2010-02-03 George B. Mertzios , Ignasi Sau , Shmuel Zaks

Scheinerman and Wilf (1994) assert that `an important open problem in the study of graph embeddings is to determine the rectilinear crossing number of the complete graph K_n.' A rectilinear drawing of K_n is an arrangement of n vertices in…

离散数学 · 计算机科学 2011-10-04 Alex Brodsky , Stephane Durocher , Ellen Gethner

We explore the phase diagram of Ising spins on one-dimensional chains which criss-cross in two perpendicular directions and which are connected by interchain couplings. This system is of interest as a simpler, classical analog of a quantum…

统计力学 · 物理学 2017-10-18 T. Cary , R. R. P. Singh , R. T. Scalettar

We show that odd order R\'enyi entropies $S^{(2q+1)}$ of a system of interacting scalar fields can be calculated as the free energy of $2q+1$ replicas of the system with additional quadratic inter-replica couplings in the subsystem at the…

统计力学 · 物理学 2025-10-20 Mrinal Kanti Sarkar , Saranyo Moitra , Rajdeep Sensarma

In reality, many real-world networks interact with and depend on other networks. We develop an analytical framework for studying interacting networks and present an exact percolation law for a network of $n$ interdependent networks (NON).…

数据分析、统计与概率 · 物理学 2012-08-24 Jianxi Gao , S. V. Buldyrev , S. Havlin , H. E. Stanley

Given a surface with boundary and some points on its boundary, a polygon diagram is a way to connect those points as vertices of non-overlapping polygons on the surface. Such polygon diagrams represent non-crossing permutations on a surface…

组合数学 · 数学 2019-09-27 Norman Do , Jian He , Daniel V. Mathews

We venture a proof of crossing symmetry for non-planar diagrams in perturbative QFT. For the planar diagrams a proof of crossing is available in the literature and our method closely follows the one depicted in that case. We classify the…

高能物理 - 理论 · 物理学 2025-12-30 Ritabrata Bhattacharya

We present a general method for incorporating the electromagnetic interaction into descriptions of hadronic processes based on four-dimensional scattering integral equations. The method involves the idea of gauging the scattering equations…

核理论 · 物理学 2009-10-30 A. N. Kvinikhidze , B. Blankleider

Triadic interactions are the fundamental mechanism of energy transfer in fluid flows. This work introduces bispectral mode decomposition as a direct means of educing flow structures that are associated with triadic interactions from…

流体动力学 · 物理学 2021-01-20 Oliver T. Schmidt