Chaos An Interdisciplinary Journal of Nonlinear Science,
Journal Year:
2022,
Volume and Issue:
32(8)
Published: Aug. 1, 2022
There
has
been
growing
interest
in
exploring
the
dynamical
interplay
of
epidemic
spreading
and
awareness
diffusion
within
multiplex
network
framework.
Recent
studies
have
demonstrated
that
pairwise
interactions
are
not
enough
to
characterize
social
contagion
processes,
but
complex
mechanisms
influence
reinforcement
should
be
considered.
Meanwhile,
physical
interaction
individuals
is
static
time-varying.
Therefore,
we
propose
a
novel
sUAU-tSIS
model
simplicial
on
time-varying
networks,
which
one
layer
with
2-simplicial
complexes
considered
virtual
information
address
other
memory
effects
treated
as
contact
mimic
temporal
pattern
among
population.
The
microscopic
Markov
chain
approach
based
theoretical
analysis
developed,
threshold
also
derived.
experimental
results
show
our
method
good
agreement
Monte
Carlo
simulations.
Specifically,
find
synergistic
mechanism
coming
from
group
promotes
awareness,
leading
suppression
epidemics.
Furthermore,
illustrate
capacity
individuals,
activity
heterogeneity,
strength
play
important
roles
two
dynamics;
interestingly,
crossover
phenomenon
can
observed
when
investigating
heterogeneity
strength.
Journal of The Royal Society Interface,
Journal Year:
2022,
Volume and Issue:
19(188)
Published: March 1, 2022
Network
science
has
evolved
into
an
indispensable
platform
for
studying
complex
systems.
But
recent
research
identified
limits
of
classical
networks,
where
links
connect
pairs
nodes,
to
comprehensively
describe
group
interactions.
Higher-order
a
link
can
more
than
two
have
therefore
emerged
as
new
frontier
in
network
science.
Since
interactions
are
common
social,
biological
and
technological
systems,
higher-order
networks
recently
led
important
discoveries
across
many
fields
research.
Here,
we
review
these
works,
focusing
particular
on
the
novel
aspects
dynamics
that
emerges
networks.
We
cover
variety
dynamical
processes
thus
far
been
studied,
including
different
synchronization
phenomena,
contagion
processes,
evolution
cooperation
consensus
formation.
also
outline
open
challenges
promising
directions
future
Higher-order
networks
describe
the
many-body
interactions
of
a
large
variety
complex
systems,
ranging
from
brain
to
collaboration
networks.
Simplicial
complexes
are
generalized
network
structures
which
allow
us
capture
combinatorial
properties,
topology
and
geometry
higher-order
Having
been
used
extensively
in
quantum
gravity
discrete
or
discretized
space-time,
simplicial
have
only
recently
started
becoming
representation
choice
for
capturing
underlying
systems.
This
Element
provides
an
in-depth
introduction
very
hot
topic
theory,
covering
wide
range
subjects
emergent
hyperbolic
topological
data
analysis
dynamics.
Elements
aims
demonstrate
that
provide
general
mathematical
framework
reveal
how
dynamics
depends
on
geometry.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: March 23, 2023
Abstract
Higher-order
networks
have
emerged
as
a
powerful
framework
to
model
complex
systems
and
their
collective
behavior.
Going
beyond
pairwise
interactions,
they
encode
structured
relations
among
arbitrary
numbers
of
units
through
representations
such
simplicial
complexes
hypergraphs.
So
far,
the
choice
between
hypergraphs
has
often
been
motivated
by
technical
convenience.
Here,
using
synchronization
an
example,
we
demonstrate
that
effects
higher-order
interactions
are
highly
representation-dependent.
In
particular,
typically
enhance
in
but
opposite
effect
complexes.
We
provide
theoretical
insight
linking
synchronizability
different
hypergraph
structures
(generalized)
degree
heterogeneity
cross-order
correlation,
which
turn
influence
wide
range
dynamical
processes
from
contagion
diffusion.
Our
findings
reveal
hidden
impact
on
dynamics,
highlighting
importance
choosing
appropriate
when
studying
with
nonpairwise
interactions.
Communications Physics,
Journal Year:
2022,
Volume and Issue:
5(1)
Published: April 5, 2022
Abstract
A
deluge
of
new
data
on
real-world
networks
suggests
that
interactions
among
system
units
are
not
limited
to
pairs,
but
often
involve
a
higher
number
nodes.
To
properly
encode
higher-order
interactions,
richer
mathematical
frameworks
such
as
hypergraphs
needed,
where
hyperedges
describe
an
arbitrary
Here
we
systematically
investigate
motifs,
defined
small
connected
subgraphs
in
which
vertices
may
be
linked
by
any
order,
and
propose
efficient
algorithm
extract
complete
motif
profiles
from
empirical
data.
We
identify
different
families
hypergraphs,
characterized
distinct
connectivity
patterns
at
the
local
scale.
also
set
measures
study
nested
structure
provide
evidences
structural
reinforcement,
mechanism
associates
strengths
for
nodes
interact
more
pairwise
level.
Our
work
highlights
informative
power
providing
principled
way
fingerprints
network
microscale.
Physical Review Letters,
Journal Year:
2021,
Volume and Issue:
127(15)
Published: Oct. 6, 2021
The
collocation
of
individuals
in
different
environments
is
an
important
prerequisite
for
exposure
to
infectious
diseases
on
a
social
network.
Standard
epidemic
models
fail
capture
the
potential
complexity
this
scenario
by
(1)
neglecting
higher-order
structure
contacts
that
typically
occur
through
like
workplaces,
restaurants,
and
households,
(2)
assuming
linear
relationship
between
infected
risk
infection.
Here,
we
leverage
hypergraph
model
embrace
heterogeneity
individual
participation
these
environments.
We
find
combining
heterogeneous
with
concept
minimal
infective
dose
induces
universal
nonlinear
infection
risk.
Under
kernels,
conventional
wisdom
breaks
down
emergence
discontinuous
transitions,
superexponential
spread,
hysteresis.
Journal of Physics Complexity,
Journal Year:
2021,
Volume and Issue:
2(3), P. 035019 - 035019
Published: July 8, 2021
Complex
networks
represent
the
natural
backbone
to
study
epidemic
processes
in
populations
of
interacting
individuals.
Such
a
modeling
framework,
however,
is
naturally
limited
pairwise
interactions,
making
it
less
suitable
properly
describe
social
contagion,
where
individuals
acquire
new
norms
or
ideas
after
simultaneous
exposure
multiple
sources
infections.
Simplicial
contagion
has
been
proposed
as
an
alternative
framework
simplices
are
used
encode
group
interactions
any
order.
The
presence
higher-order
leads
explosive
transitions
and
bistability
which
cannot
be
obtained
when
only
dyadic
ties
considered.
In
particular,
critical
mass
effects
can
emerge
even
for
infectivity
values
below
standard
threshold,
size
initial
seed
infectious
nodes
determines
whether
system
would
eventually
fall
endemic
healthy
state.
Here
we
extend
simplicial
time-varying
networks,
created
destroyed
over
time.
By
following
microscopic
Markov
chain
approach,
find
that
same
might
not
lead
stationary
state,
depending
on
temporal
properties
underlying
network
structure,
show
persistent
anticipate
onset
state
finite-size
systems.
We
characterize
this
behavior
with
prescribed
correlation
between
consecutive
heterogeneous
complexes,
showing
temporality
again
limits
effect
spreading,
but
pronounced
way
than
homogeneous
structures.
Our
work
suggests
importance
incorporating
temporality,
realistic
feature
many
real-world
systems,
into
investigation
dynamical
beyond
interactions.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Nov. 24, 2022
Hypergraphs,
encoding
structured
interactions
among
any
number
of
system
units,
have
recently
proven
a
successful
tool
to
describe
many
real-world
biological
and
social
networks.
Here
we
propose
framework
based
on
statistical
inference
characterize
the
structural
organization
hypergraphs.
The
method
allows
infer
missing
hyperedges
size
in
principled
way,
jointly
detect
overlapping
communities
presence
higher-order
interactions.
Furthermore,
our
model
has
an
efficient
numerical
implementation,
it
runs
faster
than
dyadic
algorithms
pairwise
records
projected
from
data.
We
apply
variety
systems,
showing
strong
performance
hyperedge
prediction
tasks,
detecting
well
aligned
with
information
carried
by
interactions,
robustness
against
addition
noisy
hyperedges.
Our
approach
illustrates
fundamental
advantages
hypergraph
probabilistic
when
modeling
relational
systems