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Table 1 Notation used in the paper

From: A multi-layer network model to assess school opening policies during a vaccination campaign: a case study on COVID-19 in France

Notation

Meaning

\({\mathcal {V}}=\{1,\ldots ,n\}\)

Population

\({\mathcal {C}}=\{1,\ldots ,{\tilde{n}}\}\)

Children

\({\mathcal {A}}=\{{\tilde{n}}+1,\ldots ,n\}\)

Adults

\({\mathcal {F}}=\{{\mathcal {F}}_1,\ldots ,{\mathcal {F}}_k\}\)

Families

\({\mathcal {S}}=\{{\mathcal {S}}_1,\ldots ,{\mathcal {S}}_m\}\)

School classes

\({\mathcal {B}}=\{{\mathcal {B}}_1,\ldots ,{\mathcal {B}}_p\}\)

School buildings

\(\phi :{\mathcal {V}}\rightarrow {\mathcal {F}}\)

Function that associates individuals with their families

\(\psi :{\mathcal {C}}\rightarrow {\mathcal {S}}\)

Function that associates children with their classes

\(\beta :{\mathcal {C}}\rightarrow {\mathcal {S}}\)

Function that associates children with their buildings

\({\mathcal {E}}_F\subseteq {\mathcal {V}}\times {\mathcal {V}}\)

Family layer

\({{\mathcal {E}}_S}(t)\subseteq {\mathcal {C}}\times {\mathcal {C}}\)

Class layer at time t

\({{\mathcal {E}}}_B(t)\subseteq {\mathcal {C}}\times {\mathcal {C}}\)

School building layer at time t

\({\mathcal {E}}_C(t) \subseteq {\mathcal {A}}\times {\mathcal {A}}\)

Contact layer at time t

\(a_i\in [0,1]\)

Activity of individual i

\(m_c\in {{\mathbb {Z}}_{>0}}\)

Interactions initiated by an active child

\(m_a\in {{\mathbb {Z}}_{>0}}\)

Interactions initiated by an active adult

\(X_i(t)\in \{S,E,I_D,I_U,R,V\}\)

Health state of individual i at time t

\(A_i(t)\in \{0,1\}\)

Home-isolation state of individual i at time t

\(\lambda _a\in [0,1]\)

Adult per-contact infection probability

\(\lambda _c\in [0,1]\)

Children per-contact infection probability

\(\nu \in [0,1]\)

Probability of becoming infectious

\(\mu \in [0,1]\)

Recovery probability

\(q_a\in [0,1]\)

Adults detection rate

\(q_c\in [0,1]\)

Children detection rate