text: # License: BSD 3 clause
  
  from tick.hawkes.simulation.build.hawkes_simulation import (HawkesKernel0 as
                                                              _HawkesKernel0)
  from .hawkes_kernel import HawkesKernel
  
  
  class HawkesKernel0(HawkesKernel):
      """Hawkes zero kernel
  
      .. math::
          \phi(t) = 0
      """
  
      def __init__(self):
          HawkesKernel.__init__(self)
          self._kernel = _HawkesKernel0()
  
      def __str__(self):
          return '0'
  
      def __repr__(self):
          return '0'
  
      def __strtex__(self):
          return r'$0$'
  