7 citations · 21 across the 9 of their papers we have counts for
9 papers
Persistence Norms and the Datasaurus
Pawel Dlotko, Simon Rudkin
Topological Data Analysis (TDA) provides a toolkit for the study of the shape of high dimensional and complex data. While operating on a space of persistence diagrams is cumbersome…
Topological Data Analysis Ball Mapper for Finance
Pawel Dlotko, Wanling Qiu, Simon Rudkin
Finance is heavily influenced by data-driven decision-making. Meanwhile, our ability to comprehend the full informational content of data sets remains impeded by the tools we apply…
Uncertainty, volatility and the persistence norms of financial time series
Simon Rudkin, Wanling Qiu, Pawel Dlotko
Norms of Persistent Homology introduced in topological data analysis are seen as indicators of system instability, analogous to the changing predictability that is captured in fina…
Refining Understanding of Corporate Failure through a Topological Data Analysis Mapping of Altman's Z-Score Model
Wanling Qiu, Simon Rudkin, Pawel Dlotko
Corporate failure resonates widely leaving practitioners searching for understanding of default risk. Managers seek to steer away from trouble, credit providers to avoid risky loan…
Visualising the Evolution of English Covid-19 Cases with Topological Data Analysis Ball Mapper
Pawel Dlotko, Simon Rudkin
Understanding disease spread through data visualisation has concentrated on trends and maps. Whilst these are helpful, they neglect important multi-dimensional interactions between…
Topologically Mapping the Macroeconomy
Pawel Dlotko, Simon Rudkin, Wanling Qiu
An understanding of the economic landscape in a world of ever increasing data necessitates representations of data that can inform policy, deepen understanding and guide future res…
Financial ratios and stock returns reappraised through a topological data analysis lens
Pawel Dlotko, Wanling Qiu, Simon Rudkin
Firm financials are well established as return predictors, being the inspiration for a large set of anomalies in the asset pricing literature. Employing topological data analysis w…
An Economic Topology of the Brexit vote
Pawel Dlotko, Lucy Minford, Simon Rudkin +1
A desire to understand the decision of the UK to leave the European Union, Brexit, in the referendum of June 2016 has continued to occupy academics, the media and politicians. Usin…
Cyclicality, Periodicity and the Topology of Time Series
Paweł Dłotko, Wanling Qiu, Simon Rudkin
Periodic and semi periodic patterns are very common in nature. In this paper we introduce a topological toolbox aiming in detecting and quantifying periodicity. The presented techn…