Massimiliano Alessandro

University of Genoa

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Christian Gleissner

University of Bayreuth

Julia Kotonski

University of Bayreuth

Fabrizio Catanese

University of Bayreuth

Flavia Mulè

University of Palermo

Maria Pia Tamburello

University of Messina

Maria Grazia Zizzo

University of Palermo

D apos

University of Milan

C Morocutti

Sapienza University of Rome

Paola Giunti

University College London

G Amabile

Sapienza University of Rome

Cooperative Institutions

University of Palermo

Sapienza University of Rome

Istituto di Sessuologia Clinica

University of Bayreuth

Azienda Ospedaliera Ospedale Maggiore

Tecnologie Avanzate (Italy)

Institute of Biomedical Technologies

University of Rome Tor Vergata

Institute of Cell Biology and Neurobiology

Istituto di Fisiologia Clinica

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Observations relating to the treatment of cerebral ageing: neurophysiological evaluations of the activity of nootropic substances - Osservazioni relative al trattamento dell'invecchiamento cerebrale: valutazioni neurofisiologiche sull'attivita' di sostanze nootrope

G Amabile Francesco Fattapposta Paola Giunti D apos Massimiliano Alessandro

Nootropic

Piracetam

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On the Components of the Main Stream of the Moduli Space of Surfaces of General Type with $$p_g=q=2$$

Progress in mathematics (2024)

Massimiliano Alessandro Fabrizio Catanese

10.1007/978-3-031-66230-0_3

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Neurotransmitters involved in the fast inhibitory junction potentials in mouse distal colon

European Journal of Pharmacology (2003)

Rosa Serio Massimiliano Alessandro Maria Grazia Zizzo Maria Pia Tamburello Flavia Mulè

Apamin

P2Y receptor

Hyperpolarization

Tetrodotoxin

10.1016/s0014-2999(02)02923-0

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Citations (52)

On the components of the Main Stream of the moduli space of surfaces of general type with $p_g=q=2$

arXiv (Cornell University) (2022)

Massimiliano Alessandro Fabrizio Catanese

We give first an easy construction of surfaces with $p_g=q=2, K^2=5$ and Albanese map of degree $3$, describing an irreducible connected component of the moduli space of surfaces of general type, which we show to be the only one of the Main Stream with these invariants and satisfying a mild condition. We call it the family of CHPP surfaces, since it contains the family constructed by Chen and Hacon, and coincides with the one considered by Penegini and Polizzi. We also give an easy construction of an irreducible connected component of the moduli space of surfaces of general type with $p_g=q=2, K^2=6$ and Albanese map of degree $4$, which we call the family of PP4 surfaces since it contains the family constructed by Penegini and Polizzi. Finally, we answer a question posed by Chen and Hacon, via three families of surfaces with $p_g=q$ whose Tschirnhaus module has a kernel realization with quotient a nontrivial homogeneous bundle. Two families have $p_g=q=3$, the third is a new family of surfaces with $p_g=q=2, K^2=6$ and Albanese map of degree $3$ (the existence of this family is based on arXiv:2212.14877, joint work of the second author with Edoardo Sernesi) .

Degree (music)

Realization (probability)

Irreducible component

Kernel (algebra)

10.48550/arxiv.2212.14872

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Semi-projective representations and twisted representation groups

Communications in Algebra (2023)

Massimiliano Alessandro Christian Gleissner Julia Kotonski

A semi-projective representation is a homomorphism of a finite group into the group of semi-projective transformations of a finite dimensional vector space over a field. Schur’s concept of a representation group for projective representations is extended to semi-projective representations under the assumption that the field is algebraically closed. A computer algorithm is given that produces, for a given finite group, all such twisted representation groups under trivial or conjugation actions on the field of complex numbers.

Projective representation

Projective linear group

Schur multiplier

Quaternionic projective space

Representation

Trivial representation

Algebraically closed field

10.1080/00927872.2023.2211175

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Semi-Projective Representations and Twisted Representation Groups

arXiv (Cornell University) (2022)

Massimiliano Alessandro Christian Gleissner Julia Kotonski

A semi-projective representation is a homomorphism of a finite group into the group of semi-projective transformations of a finite dimensional vector space over a field. Schur's concept of a representation group for projective representations is extended to semi-projective representations under the assumption that the field is algebraically closed. A computer algorithm is given that produces, for a given finite group, all such twisted representation groups under trivial or conjugation actions on the field of complex numbers.

Projective representation

Projective linear group

Quaternionic projective space

Schur multiplier

Representation

Group representation

10.48550/arxiv.2211.14059

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