Research works

Recent Advances in Diaryliodonium Salts (II): Structures, Syntheses, and Reactivity

Diaryliodonium salts have been widely employed as highly efficient electrophilic reagents in organic synthesis, owing to their high reactivity and excellent selectivity across a broad range of transformations. Over the past 5 years, considerable advances have been achieved in dia...

Sovereigntism and the emerging politics of eternity in Mali

This paper examines the political imaginaries underpinning Mali’s dramatic rejection of liberalism in the wake of Mali’s most recent military coups in August 2020 and May 2021. Mali’s post-democratic leaders have skilfully employed these imaginaries to gain public support and sho...

Dialogue on Time: A Natural Philosophical Critique of Lee Smolin's Cosmology and the Foundations of Geometric Kinedynamics

This paper offers a profound natural-philosophical and methodological critique of the foundational crisis within modern theoretical physics. Formatted as a methodical dialogue between the author and an analytical artificial intelligence language model, the study serves to verify...

Computational History of Chemistry – Part 2: Multiple Scales, from the Individual to the Global

This article demonstrates the power of computational methods to illuminate the history of chemistry across multiple scales - from the micro-level of individual scientific careers to the macro-level of global knowledge systems and geopolitical shifts. Grounded in a tripartite fram...

An All-Multiplicity R12 Discrete-Value Theorem for Half-Collinear Single-Minus Yang-Mills Amplitudes

Summary. We prove an all-multiplicity discrete-value theorem in the adjacent-two-incoming R12 sector, using an alternating-sign collapse of the canonical ordered-partition recursion. We are not aware of a public statement of this result. We consider half-collinear single-minus Ya...

The Graded Merge Family: Separation, Overlap, and Dynamic Range in Hierarchical Sorting

Picture a table with thirty-odd columns and millions of rows, and suppose you want a single fingerprint that stands in for each row. The difficulty is that the possible combinations exceed any counting — more than the atoms in the universe by a wide margin — so there is no indexi...

Assessing Soil Organic Carbon Fractions in a Soil Applied with Pig Slurry

Abstract South African farmers have regarded the use of pig slurry (PS) as a method to sequestrate carbon (C) into the soil and subsequently increase soil productivity. The aim of this study was to assess C fractions and the correlation between the labile and non-labile C pools....

AMI-Assisted High-Capacity DWDM Optical Transmission with MIMO-OFDM for Future Networks

Line coding plays a critical role in determining the performance and reliability of digital communication systems. This paper proposes a novel high-speed optical transmission method that employs Alternate Mark Inversion (AMI) line coding in a DWDM system integrated with an OFDM m...

Using Quantum Key Distribution to Synchronize Shared State for Secure Messaging

Abstract Quantum Key Distribution (QKD) and classical key exchange protocols are conventionally deployed to derive symmetric key material for classical ciphers. In this work, we present an alternative architectural framework in which QKD initializes and synchronizes an endpoint s...

Influence of Cutting Wedge Geometry Design on Cutting Forces, Chip Formation and Surface Roughness During Free Machining of Aluminum Alloy

This study investigates the effects of the rake angle and clearance angle of custom-manufactured HSS-E Co5 high-speed steel cutting tools on the Fc main cutting force, the Fp passive force component, the Ra and Rz surface roughness parameters, and chip morphology during orthogona...

Ilamchetchenni

This paper examines Ilamchetchenni, an early Chola king known through Sangam Tamil literature. It focuses on his military achievements, particularly the Seruppazhi/Pazhi campaign, in which he is said to have defeated a Mauryan army that advanced into northern Tamilakam with the a...

Ultra-high-field MRI reveals a venous-dominant microbleed phenotype in cerebral amyloid angiopathy: a comparative study versus 3 Tesla MRI

<h3>BACKGROUND AND PURPOSE:</h3> Cerebral microbleeds (CMB) are core MRI markers of cerebral amyloid angiopathy (CAA). Ultra-high-field 7T MRI may improve CMB detection and visualization of venous-associated CMB (vCMB), but the extent to which this reflects additional lesion dete...

Broyden quasi-Newton-based parameter measurement method for thyristor-level components in converter valves without wire disconnection

To address the heavy workload of wire disconnection and reconnection, the measurement errors caused by external-circuit shunting, and the difficulty of obtaining specific component parameters using the comprehensive impedance method in field testing of damping and voltage-balanci...

Separating Behavioral, Latent, and Causal Commitment to Incorrect Answers in Large Language Model Reasoning: A Structured Critical Meta-Synthesis

The literature on multi-step chain-of-thought (CoT) reasoning increasingly claims that models become committed to incorrect answers mid-trace. We show that this shared vocabulary masks three non-interchangeable constructs—behavioral preference concentration, latent detectability,...

Fretting Wear and Corrosion Behavior of the Fe‐35Mn Biodegradable Alloy for Biomedical Applications

ABSTRACT The biodegradable Fe‐35Mn alloy has emerged as a promising material for temporary implants due to its excellent mechanical, degradation, magnetic, and biocompatibility properties. Despite these advantages, its in vivo performance can be affected by factors such as fricti...

Numerical Modeling of a Boundary Value Problem for a Singularly Perturbed Differential Equation with Two Boundary Layers Using the Spectral-Grid Method

This paper proposes a spectral-grid method based on Chebyshev polynomials of the first kind for the numerical solution of second-order singularly perturbed boundary value problems containing two boundary layers. The proposed method possesses several important advantages, includin...

Transcriptomic and metabolomic analyses reveal early coordination between redox homeostasis and phenylpropanoid metabolism associated with oat resistance to Drechslera avenae

Oat ( Avena sativa L.) is an important grain and forage crop, but oat leaf spot caused by Drechslera avenae ( D. avenae ) severely limits its production. However, the dynamic defense mechanisms underlying genotype-dependent resistance to this disease remain unclear. We characteri...

Geographic heterogeneity of Deinagkistrodon acutus venom: A multi-regional study of toxicity, proteomics, and antivenom efficacy

Snakebite envenomation caused by Deinagkistrodon acutus is a severe public health problem. Growing evidence indicates that snake venom exhibits obvious intraspecific geographic variation, which directly affects toxicity, organ damage, and antivenom efficacy. However, systematic s...

The Aspirational Scale Effect: A Theory of How Larger Goals Can Raise the Probability of Reaching Lower Thresholds

This paper introduces the Aspirational Scale Effect (ASE), a conceptual theory proposing that setting a substantially larger aspirational target can, under certain conditions, increase the probability of reaching a lower success threshold. The theory argues that larger goals can...

D3h Trigonal Prismatic Geometry Links Nuclear Spin Entanglement to Ligand Field Splitting — E8 Intelligence Research

FINDING: D3h trigonal prismatic geometry in coordination complexes is linked to nuclear spin entanglement in Posner clusters, with paramagnetic/diamagnetic behavior determined by ligand field splitting and electron pairing. MATH: - D3h point group symmetry: character table includ...