Results 21 to 30 of about 50 (49)

Pathological MMP singularities as αp-quotients

Forum of Mathematics, Sigma
We construct pathological examples of MMP singularities in every positive characteristic using quotients by $\alpha _p$ -actions. In particular, we obtain non- $S_3$ terminal singularities, as well as locally stable (respectively stable ...
Quentin Posva
doaj   +1 more source

Validating the parental reflective functioning questionnaire ‐ infant version using a rasch model

Infant Mental Health Journal: Infancy and Early Childhood, Volume 46, Issue 4, Page 445-458, July 2025.
Abstract Parental reflective functioning is the parent's ability to reflect on the psychological processes in their child and in themselves as a parent. Recently, an infant version of the Parental Reflective Functioning Questionnaire, PRFQ‐I, has been developed and validated using confirmatory factor analyses.
Anne Christine Stuart, Ida Egmose, Katrine Isabella Wendelboe, Johanne Smith‐Nielsen, Mette Skovgaard Væver   +4 more
wiley   +1 more source

On the irreducibility of Hessian loci of cubic hypersurfaces

Forum of Mathematics, Sigma
We study the problem of the irreducibility of the Hessian variety ${\mathcal {H}}_f$ associated with a smooth cubic hypersurface $V(f)\subset {\mathbb {P}}^n$ .
Davide Bricalli, Filippo Francesco Favale, Gian Pietro Pirola   +2 more
doaj   +1 more source

On the Classification of Simple Singularities in Positive Characteristic

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2014
The aim of the article is to describe the classification of simple isolated hypersurface sin- gularities over a field of positive characteristic by certain invariants without computing the normal form.
Afzal Deeba, Binyamin Muhammad Ahsan, Janjua Faira Kanwal   +2 more
doaj   +1 more source

Inversion of Adjunction for the minimal exponent

Forum of Mathematics, Sigma
We prove that the minimal exponent for local complete intersections satisfies an Inversion-of-Adjunction property. As a result, we also obtain the Inversion of Adjunction for higher Du Bois and higher rational singularities for local complete ...
Qianyu Chen
doaj   +1 more source

Pure subrings of Du Bois singularities are Du Bois singularities

Forum of Mathematics, Sigma
Let $R \to S$ be a cyclically pure map of Noetherian $\mathbb {Q}$ -algebras. In this paper, we show that if S has Du Bois singularities, then R has Du Bois singularities. Our result is new even when $R \to S$ is faithfully flat.
Charles Godfrey, Takumi Murayama
doaj   +1 more source

A McKay Correspondence in Positive Characteristic

Forum of Mathematics, Sigma
We establish a McKay correspondence for finite and linearly reductive subgroup schemes of ${\mathbf {SL}}_2$ in positive characteristic.
Christian Liedtke
doaj   +1 more source

Quasi-ordinary Surface germs from the topological viewpoint

Mathematics Subject Classifications (2000). 14B05, 14J17, 32S15,32S45, 32S55, 57M45Let (W, p) be an analytic surface germ and let ν : (W ′ , p ′ ) → (W, p) be its normalization morphism. We can associated to (W ′ , p ′ ) and (W, p) well defined links L W
Michel, Françoise, Weber, Claude
core   +1 more source

Boundedness of Complements for Log Calabi-Yau Threefolds. [PDF]

Peking Math J
Chen G, Han J, Xue Q.
europepmc   +1 more source

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A subadditivity property of multiplier ideals.

Michigan Mathematical Journal, 2000
Jean-Pierre Demailly, Lawrence Ein, Robert Lazarsfeld   +2 more
exaly