import re


def is_valid_ticket_name(ticket_name):
    """
    Validate ticket name with provided requirements
    :param ticket_name: ticket name of ticket trying to be registered
    :return: true if the username is acceptable, false otherwise
    """
    return (
        # ticket name has at least 6 characters, but no greater than 60
        6 <= len(ticket_name) <= 60 and
        # does not start or end with space
        ticket_name[0] != ' ' and
        ticket_name[-1] != ' ' and
        # is alphanumeric (plus space)
        bool(re.match(r'^[\w\d ]+$', ticket_name))
    )