J. Phillips

collaborators

4 papers

math.GR2025

Loops with squares in two nuclei

Michael Kinyon, J. D. Phillips

Although little can be gleaned about a loop with the property that its squares are, say, left nuclear ( $xx \cdot y z = (xx \cdot y) z$ ), if its squares are also, say, middle nuclear ($…

hep-th2025

Geometric Aspects of Type IIA Supersymmetric Backgrounds and Heterotic Anomalies

J. Phillips

We construct the twisted covariant form hierarchies (TCFH) of (massive) type IIA supergravity for common sector, D-brane and warped product AdS supersymmetric backgrounds and show…

math.GR2023

Loops with universal and semi-universal flexibility

Riley Britten, Michael Kinyon, Kenneth Kunen +1

We study loops which are universal (that is, isotopically invariant) with respect to the property of flexibility ( $x y \cdot x = x \cdot y x$ ). We also weaken this to semi-universality…

hep-th2023

W-symmetries, anomalies and heterotic backgrounds with non-compact holonomy

G. Papadopoulos, J. Phillips

We determine the algebra of holonomy symmetries of sigma models propagating on supersymmetric heterotic backgrounds with a non-compact holonomy group. We demonstrate that these clo…