Publications related to Free module

35 years of photovoltaics: Analysis of the TISO-10-kW solar plant, lessons learnt in safety and performance – Part 2

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Eleonora Annigoni

The TISO-10-kW plant, installed in 1982 in Lugano (Switzerland), is made of 288 Arco Solar modules and is the first grid-connected PV plant in Europe. In a joint publication (Part 1), we presented the results of the electrical characterization performed in ...

2019

One-type-fits-all-systems: Strategies for preventing potential-induced degradation in crystalline silicon solar photovoltaic modules

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Eleonora Annigoni

In this work, we investigate the relationship between potential-induced degradation (PID) and the bill of material used in module manufacturing. We manufacture samples with different combination of materials, using two types of solar cells (conventional vs ...

WILEY2019

On the definition of multi-Koszul modules

In [8] we introduced the notion of multi-Koszul algebra: it is an extension of the definition of generalized Koszul algebra given by R. Berger in [1] for homogeneous algebras (see also [7]) that can be applied to any nonnegatively graded connected algebra ...

2018

Relative Homological Algebra Via Truncations

Jérôme Scherer

To do homological algebra with unbounded chain complexes one needs to first find a way of constructing resolutions. Spal-tenstein solved this problem for chain complexes of R-modules by truncating further and further to the left, resolving the pieces, and ...

FIZ KARLSRUHE-LEIBNIZ-INST INFORMATIONSINFRASTRUKTUR2018

The cup product of Brooks quasimorphisms

Nicolas Monod

We prove the vanishing of the cup product of the bounded cohomology classes associated to any two Brooks quasimorphisms on the free group. This is a consequence of the vanishing of the square of a universal class for tree automorphism groups. ...

WALTER DE GRUYTER GMBH2018

Pyramic: Full Stack Open Microphone Array Architecture And Dataset

René Beuchat, Robin Scheibler, Corentin Ferry

In this paper we introduce an open source and reproducible microphone array hardware design and an anechoic dataset recorded with this array. The Pyramic array has 48 microphones spread onto six identical modules connected to an FPGA-ARM combo. The arrange ...

IEEE2018

Thermo-mechanical stability of lightweight glass-free photovoltaic modules based on a composite substrate

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Hengyu Li, Laure-Emmanuelle Perret Aebi, Valentin Chapuis, Ana Cristina Oliveira Martins

Lightweight PV modules are attractive for building-integrated photovoltaic (BIPV) applications, especially for renovated buildings, where the additional load bearing capacity is limited. This work focuses on the development of a lightweight, glass-free pho ...

ELSEVIER SCIENCE BV2018

Combinatorial presentation of multidimensional persistent homology

Martina Scolamiero

A multifiltration is a functor indexed by Nr that maps any morphism to a monomorphism. The goal of this paper is to describe in an explicit and combinatorial way the natural Nr-graded R[x(1),...x(r)]-module structure on the homology of a multifiltration of ...

Elsevier2017

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

Mikaël Cavallin

Let K be an algebraically closed field of characteristic

p\geq0

and let

Y=SPin_{2n+1}(K) (n\geq3)

be a simply connected simple algebraic group of type

B_n

over

K

. Also let

X

be the subgroup of type

D_n

, embedded in

Y

in the usual way, as the ...

2017

On finitely generated modules over quasi-Euclidean rings

Luc Guyot

Let R be a unital commutative ring, and let M be an R-module that is generated by k elements but not less. Let be the subgroup of generated by the elementary matrices. In this paper we study the action of by matrix multiplication on the set of unimodular r ...

Springer Verlag2017

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35 years of photovoltaics: Analysis of the TISO-10-kW solar plant, lessons learnt in safety and performance – Part 2

One-type-fits-all-systems: Strategies for preventing potential-induced degradation in crystalline silicon solar photovoltaic modules

On the definition of multi-Koszul modules

Relative Homological Algebra Via Truncations

The cup product of Brooks quasimorphisms

Pyramic: Full Stack Open Microphone Array Architecture And Dataset

Thermo-mechanical stability of lightweight glass-free photovoltaic modules based on a composite substrate

Combinatorial presentation of multidimensional persistent homology

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

On finitely generated modules over quasi-Euclidean rings

Combinatorial presentation of multidimensional persistent homology

One-type-fits-all-systems: Strategies for preventing potential-induced degradation in crystalline silicon solar photovoltaic modules

35 years of photovoltaics: Analysis of the TISO-10-kW solar plant, lessons learnt in safety and performance – Part 2

On finitely generated modules over quasi-Euclidean rings

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

On the definition of multi-Koszul modules

Relative Homological Algebra Via Truncations

The cup product of Brooks quasimorphisms

Pyramic: Full Stack Open Microphone Array Architecture And Dataset

Thermo-mechanical stability of lightweight glass-free photovoltaic modules based on a composite substrate