Unlocking Geometric Secrets: A Novel Constant for Comparing P-Angular and Skew P-Angular Distances in Banach Spaces

Wednesday 16 April 2025


A new geometric constant has been introduced that helps compare p-angular and skew p-angular distances in Banach spaces, a field of mathematics that deals with vector spaces equipped with a norm that satisfies certain properties. This constant, called the Maligranda-Rooin constant (MRp(X)), provides a way to quantify the difference between these two types of distances, which is important in understanding various properties of Banach spaces.


Banach spaces are used to model many real-world phenomena, such as signal processing and image analysis. The p-angular distance and skew p-angular distance are both measures of how similar two vectors are in a Banach space. The p-angular distance is defined as the supremum of the difference between the angles of two vectors over all possible angles, while the skew p-angular distance is defined as the supremum of the difference between the angles of two vectors minus one over all possible angles.


The MRp(X) constant provides a way to compare these two distances by showing that they are related in a certain way. Specifically, it shows that the p-angular distance is always less than or equal to the skew p-angular distance for any Banach space X. This means that if you know the p-angular distance between two vectors, you can use the MRp(X) constant to estimate the skew p-angular distance.


The introduction of the MRp(X) constant has far-reaching implications in many areas of mathematics and physics. For example, it provides a new way to study the properties of Banach spaces and their relationship to other mathematical structures. It also opens up new avenues for research in fields such as signal processing and image analysis.


One of the key benefits of the MRp(X) constant is that it provides a unified framework for studying p-angular and skew p-angular distances. This means that researchers can use the same techniques and methods to study both types of distances, rather than having to develop separate approaches for each type.


The MRp(X) constant has also been shown to have connections to other important mathematical concepts, such as convexity and smoothness. This means that it could potentially be used to study these concepts in new and innovative ways.


In addition to its theoretical importance, the MRp(X) constant also has practical applications in fields such as data analysis and machine learning. For example, it could be used to develop new algorithms for clustering and classification, which are important tasks in many areas of science and engineering.


Cite this article: “Unlocking Geometric Secrets: A Novel Constant for Comparing P-Angular and Skew P-Angular Distances in Banach Spaces”, The Science Archive, 2025.


Banach Spaces, Geometric Constant, Maligranda-Rooin Constant, P-Angular Distance, Skew P-Angular Distance, Signal Processing, Image Analysis, Convexity, Smoothness, Data Analysis, Machine Learning.


Reference: Yuxin Wang, Qi Liu, Jinyu Xia, Muhammad Sarfraz, “A new geometric constant to compare p-angular and skew p-angular distances” (2025).


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