Global Bases for Nonplanar Loop Integrands, Generalized Unitarity, and the Double Copy to All Loop Orders

Z Bern, E Herrmann, R Roiban, MS Ruf… - arXiv preprint arXiv …, 2024 - arxiv.org
We introduce a constructive method for defining a global loop-integrand basis for scattering
amplitudes, encompassing both planar and nonplanar contributions. Our approach utilizes a …

[HTML][HTML] Exploring the Molecular Terrain: A Survey of Analytical Methods for Biological Network Analysis

TT Nguyen, TK Dao, DT Pham, TH Duong - Symmetry, 2024 - mdpi.com
Biological systems, characterized by their complex interplay of symmetry and asymmetry,
operate through intricate networks of interacting molecules, weaving the elaborate tapestry …

Prescriptive unitarity from positive geometries

L Ferro, R Glew, T Łukowski, J Stalknecht - Journal of High Energy Physics, 2024 - Springer
A bstract In this paper, we define the momentum amplituhedron in the four-dimensional split-
signature space of dual momenta. It encodes scattering amplitudes at tree level and loop …

[HTML][HTML] Gradient properties of perturbative multiscalar RG flows to six loops

WH Pannell, A Stergiou - Physics Letters B, 2024 - Elsevier
The gradient property of the renormalisation group (RG) flow of multiscalar theories is
examined perturbatively in d= 4 and d= 4− ε dimensions. Such theories undergo RG flows in …

Isolation of squares in graphs

K Bartolo, P Borg, D Scicluna - Discrete Mathematics, 2024 - Elsevier
Given a set F of graphs, we call a copy of a graph in F an F-graph. The F-isolation number of
a graph G, denoted by ι (G, F), is the size of a smallest subset D of the vertex set V (G) such …

On the weight zero compactly supported cohomology of

M Brandt, M Chan, S Kannan - arXiv preprint arXiv:2307.01819, 2023 - arxiv.org
For $ g\ge 2$ and $ n\ge 0$, let $\mathcal {H} _ {g, n}\subset\mathcal {M} _ {g, n} $ denote
the complex moduli stack of $ n $-marked smooth hyperelliptic curves of genus $ g $. A …

On the weight zero compactly supported cohomology of

M Brandt, M Chan, S Kannan - Forum of Mathematics, Sigma, 2024 - cambridge.org
Abstract For $ g\ge 2$ and $ n\ge 0$, let $\mathcal {H} _ {g, n}\subset\mathcal {M} _ {g, n} $
denote the complex moduli stack of n-marked smooth hyperelliptic curves of genus g. A …

Quantum walk informed variational algorithm design

E Matwiejew, JB Wang - arXiv preprint arXiv:2406.11620, 2024 - arxiv.org
We present a theoretical framework for the analysis of amplitude transfer in Quantum
Variational Algorithms (QVAs) for combinatorial optimisation with mixing unitaries defined by …

Positive Geometries for Scattering Amplitudes in N= 4 SYM and ABJM

J Stalknecht - arXiv preprint arXiv:2409.15437, 2024 - arxiv.org
This thesis investigates geometric descriptions of scattering amplitudes, with a specific focus
on scattering amplitudes in N= 4 SYM and ABJM theory. The recent development of the field …

igraph enables fast and robust network analysis across programming languages

M Antonov, G Csárdi, S Horvát, K Müller… - arXiv preprint arXiv …, 2023 - arxiv.org
Networks or graphs are widely used across the sciences to represent relationships of many
kinds. igraph (https://igraph. org) is a general-purpose software library for graph …