A Geometric Analysis of the SIRS Model with Secondary Infections
SIAM Journal on Applied Mathematics,
Год журнала:
2024,
Номер
84(2), С. 661 - 686
Опубликована: Апрель 9, 2024
We
propose
a
compartmental
model
for
disease
with
temporary
immunity
and
secondary
infections.From
our
assumptions
on
the
parameters
involved
in
model,
system
naturally
evolves
three
time
scales.We
characterize
equilibria
of
analyze
their
stability.We
find
conditions
existence
two
endemic
equilibria,
some
cases
which
R0
<
1.Then,
we
unravel
interplay
scales,
providing
to
foresee
whether
all
or
only
fast
intermediate
ones.We
conclude
numerical
simulations
bifurcation
analysis,
complement
analytical
results.
Язык: Английский
A geometric analysis of the SIRS compartmental model with fast information and misinformation spreading
Chaos Solitons & Fractals,
Год журнала:
2024,
Номер
185, С. 115104 - 115104
Опубликована: Июнь 5, 2024
We
propose
a
novel
slow-fast
SIRS
compartmental
model
with
demography,
by
coupling
slow
disease
spreading
and
fast
information
misinformation
model.Beside
the
classes
of
susceptible,
infected
recovered
individuals
common
model,
here
we
define
three
new
related
to
e.g.unaware
individuals,
misinformed
who
are
skeptical
disease-related
misinformation.Under
our
assumptions,
system
evolves
on
two
time
scales.We
completely
characterize
its
asymptotic
behaviour
techniques
Geometric
Singular
Perturbation
Theory
(GSPT).We
exploit
scale
separation
analyse
lower
dimensional
subsystem
separately.First,
focus
analysis
dynamics
find
equilibrium
point
which
feasible
stable
under
specific
conditions.We
perform
theoretical
bifurcation
understand
relations
between
these
equilibria
when
varying
parameters
system.Secondly,
evolution
variables
identify
branches
critical
manifold,
described
system.We
fully
each
branch.Moreover,
show
how
inclusion
(mis)information
spread
may
negatively
or
positively
affect
epidemic,
depending
whether
second
branch
skeptical-free
third
one,
misinformed-free
equilibrium,
respectively.We
conclude
numerical
simulations
showcase
analytical
results.
Язык: Английский
Slow–fast dynamics in a neurotransmitter release model: Delayed response to a time-dependent input signal
Physica D Nonlinear Phenomena,
Год журнала:
2023,
Номер
455, С. 133887 - 133887
Опубликована: Авг. 11, 2023
Язык: Английский
A geometric analysis of the SIRS compartmental model with fast information and misinformation spreading
arXiv (Cornell University),
Год журнала:
2023,
Номер
unknown
Опубликована: Янв. 1, 2023
We
propose
a
novel
slow-fast
SIRS
compartmental
model
with
demography,
by
coupling
slow
disease
spreading
and
fast
information
misinformation
model.
Beside
the
classes
of
susceptible,
infected
recovered
individuals
common
model,
here
we
define
three
new
related
to
e.g.
unaware
individuals,
misinformed
who
are
skeptical
disease-related
misinformation.
Under
our
assumptions,
system
evolves
on
two
time
scales.
completely
characterize
its
asymptotic
behaviour
techniques
Geometric
Singular
Perturbation
Theory
(GSPT).
exploit
scale
separation
analyse
lower
dimensional
subsystem
separately.
First,
focus
analysis
dynamics
find
equilibrium
point
which
feasible
stable
under
specific
conditions.
perform
theoretical
bifurcation
understand
relations
between
these
equilibria
when
varying
parameters
system.
Secondly,
evolution
variables
identify
branches
critical
manifold,
described
fully
each
branch.
Moreover,
show
how
inclusion
(mis)information
spread
may
negatively
or
positively
affect
epidemic,
depending
whether
second
branch
skeptical-free
third
one,
misinformed-free
equilibrium,
respectively.
conclude
numerical
simulations
showcase
analytical
results.
Язык: Английский